Home / 42,177.09-63,264.41-11,012.34

Finding the Fourth Proportional to 42,177.09, 63,264.41 and 11,012.34

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Solution

The fourth proportional to 42,177.09, 63,264.41 and 11,012.34 is: 16,518.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,177.09 : 63,264.41 = 11,012.34 : x
  2. Step 2: Convert to fraction form
    42,177.09/63,264.41 = 11,012.34/x
  3. Step 3: Cross multiply
    42,177.09x = 63,264.41 × 11,012.34
  4. Step 4: Simplify right side
    42,177.09x = 696,689,137.76
  5. Step 5: Solve for x
    x = 696,689,137.76/42,177.09
  6. Step 6: Final answer
    x = 16,518.19

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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.