Home / 22,510.04-31,063.40-12,438.29

Finding the Fourth Proportional to 22,510.04, 31,063.40 and 12,438.29

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Solution

The fourth proportional to 22,510.04, 31,063.40 and 12,438.29 is: 17,164.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,510.04 : 31,063.40 = 12,438.29 : x
  2. Step 2: Convert to fraction form
    22,510.04/31,063.40 = 12,438.29/x
  3. Step 3: Cross multiply
    22,510.04x = 31,063.40 × 12,438.29
  4. Step 4: Simplify right side
    22,510.04x = 386,375,639.70
  5. Step 5: Solve for x
    x = 386,375,639.70/22,510.04
  6. Step 6: Final answer
    x = 17,164.60

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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.