Home / 19,387.68-29,087.21-6,239.71

Finding the Fourth Proportional to 19,387.68, 29,087.21 and 6,239.71

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Solution

The fourth proportional to 19,387.68, 29,087.21 and 6,239.71 is: 9,361.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,387.68 : 29,087.21 = 6,239.71 : x
  2. Step 2: Convert to fraction form
    19,387.68/29,087.21 = 6,239.71/x
  3. Step 3: Cross multiply
    19,387.68x = 29,087.21 × 6,239.71
  4. Step 4: Simplify right side
    19,387.68x = 181,495,755.11
  5. Step 5: Solve for x
    x = 181,495,755.11/19,387.68
  6. Step 6: Final answer
    x = 9,361.40

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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.