Home / 15,247.14-21,041.70-9,427.52

Finding the Fourth Proportional to 15,247.14, 21,041.70 and 9,427.52

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Solution

The fourth proportional to 15,247.14, 21,041.70 and 9,427.52 is: 13,010.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,247.14 : 21,041.70 = 9,427.52 : x
  2. Step 2: Convert to fraction form
    15,247.14/21,041.70 = 9,427.52/x
  3. Step 3: Cross multiply
    15,247.14x = 21,041.70 × 9,427.52
  4. Step 4: Simplify right side
    15,247.14x = 198,371,047.58
  5. Step 5: Solve for x
    x = 198,371,047.58/15,247.14
  6. Step 6: Final answer
    x = 13,010.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.