Home / 14,502.81-20,019.45-8,534.73

Finding the Fourth Proportional to 14,502.81, 20,019.45 and 8,534.73

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Solution

The fourth proportional to 14,502.81, 20,019.45 and 8,534.73 is: 11,781.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,502.81 : 20,019.45 = 8,534.73 : x
  2. Step 2: Convert to fraction form
    14,502.81/20,019.45 = 8,534.73/x
  3. Step 3: Cross multiply
    14,502.81x = 20,019.45 × 8,534.73
  4. Step 4: Simplify right side
    14,502.81x = 170,860,600.50
  5. Step 5: Solve for x
    x = 170,860,600.50/14,502.81
  6. Step 6: Final answer
    x = 11,781.21

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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.