Home / 12,434.15-18,641.90-7,502.62

Finding the Fourth Proportional to 12,434.15, 18,641.90 and 7,502.62

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Solution

The fourth proportional to 12,434.15, 18,641.90 and 7,502.62 is: 11,248.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434.15 : 18,641.90 = 7,502.62 : x
  2. Step 2: Convert to fraction form
    12,434.15/18,641.90 = 7,502.62/x
  3. Step 3: Cross multiply
    12,434.15x = 18,641.90 × 7,502.62
  4. Step 4: Simplify right side
    12,434.15x = 139,863,063.93
  5. Step 5: Solve for x
    x = 139,863,063.93/12,434.15
  6. Step 6: Final answer
    x = 11,248.31

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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.