Home / 22,639.13-31,243.02-12,567.71

Finding the Fourth Proportional to 22,639.13, 31,243.02 and 12,567.71

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Solution

The fourth proportional to 22,639.13, 31,243.02 and 12,567.71 is: 17,344.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,639.13 : 31,243.02 = 12,567.71 : x
  2. Step 2: Convert to fraction form
    22,639.13/31,243.02 = 12,567.71/x
  3. Step 3: Cross multiply
    22,639.13x = 31,243.02 × 12,567.71
  4. Step 4: Simplify right side
    22,639.13x = 392,653,214.88
  5. Step 5: Solve for x
    x = 392,653,214.88/22,639.13
  6. Step 6: Final answer
    x = 17,344.01

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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.