Home / 14,909.29-22,309.09-8,989.81

Finding the Fourth Proportional to 14,909.29, 22,309.09 and 8,989.81

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Solution

The fourth proportional to 14,909.29, 22,309.09 and 8,989.81 is: 13,451.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,909.29 : 22,309.09 = 8,989.81 : x
  2. Step 2: Convert to fraction form
    14,909.29/22,309.09 = 8,989.81/x
  3. Step 3: Cross multiply
    14,909.29x = 22,309.09 × 8,989.81
  4. Step 4: Simplify right side
    14,909.29x = 200,554,402.13
  5. Step 5: Solve for x
    x = 200,554,402.13/14,909.29
  6. Step 6: Final answer
    x = 13,451.64

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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.