Home / 15,419.49-23,140.31-11,534.19

Finding the Fourth Proportional to 15,419.49, 23,140.31 and 11,534.19

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Solution

The fourth proportional to 15,419.49, 23,140.31 and 11,534.19 is: 17,309.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,419.49 : 23,140.31 = 11,534.19 : x
  2. Step 2: Convert to fraction form
    15,419.49/23,140.31 = 11,534.19/x
  3. Step 3: Cross multiply
    15,419.49x = 23,140.31 × 11,534.19
  4. Step 4: Simplify right side
    15,419.49x = 266,904,674.53
  5. Step 5: Solve for x
    x = 266,904,674.53/15,419.49
  6. Step 6: Final answer
    x = 17,309.57

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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.