Home / 22,619.07-31,210.57-12,545.91

Finding the Fourth Proportional to 22,619.07, 31,210.57 and 12,545.91

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Solution

The fourth proportional to 22,619.07, 31,210.57 and 12,545.91 is: 17,311.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,619.07 : 31,210.57 = 12,545.91 : x
  2. Step 2: Convert to fraction form
    22,619.07/31,210.57 = 12,545.91/x
  3. Step 3: Cross multiply
    22,619.07x = 31,210.57 × 12,545.91
  4. Step 4: Simplify right side
    22,619.07x = 391,565,002.27
  5. Step 5: Solve for x
    x = 391,565,002.27/22,619.07
  6. Step 6: Final answer
    x = 17,311.28

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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.