Home / 42,547.56-63,821.34-11,382

Finding the Fourth Proportional to 42,547.56, 63,821.34 and 11,382

Calculator

Solution

The fourth proportional to 42,547.56, 63,821.34 and 11,382 is: 17,073

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,547.56 : 63,821.34 = 11,382 : x
  2. Step 2: Convert to fraction form
    42,547.56/63,821.34 = 11,382/x
  3. Step 3: Cross multiply
    42,547.56x = 63,821.34 × 11,382
  4. Step 4: Simplify right side
    42,547.56x = 726,414,491.88
  5. Step 5: Solve for x
    x = 726,414,491.88/42,547.56
  6. Step 6: Final answer
    x = 17,073

Related Problems

Find fourth proportional to 21,273.78, 31,910.67 and 5,691
Half scale
Find fourth proportional to 85,095.12, 127,642.68 and 22,764
Double scale
Find fourth proportional to 42,548.56, 63,822.84 and 11,383
Similar ratio
Find fourth proportional to 63,821.34, 95,732.01 and 17,073
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.