Home / 22,545.79-31,114.04-12,337.51

Finding the Fourth Proportional to 22,545.79, 31,114.04 and 12,337.51

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Solution

The fourth proportional to 22,545.79, 31,114.04 and 12,337.51 is: 17,026.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,545.79 : 31,114.04 = 12,337.51 : x
  2. Step 2: Convert to fraction form
    22,545.79/31,114.04 = 12,337.51/x
  3. Step 3: Cross multiply
    22,545.79x = 31,114.04 × 12,337.51
  4. Step 4: Simplify right side
    22,545.79x = 383,869,779.64
  5. Step 5: Solve for x
    x = 383,869,779.64/22,545.79
  6. Step 6: Final answer
    x = 17,026.23

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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.