Home / 14,655.66-20,223.85-9,349.91

Finding the Fourth Proportional to 14,655.66, 20,223.85 and 9,349.91

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Solution

The fourth proportional to 14,655.66, 20,223.85 and 9,349.91 is: 12,902.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,655.66 : 20,223.85 = 9,349.91 : x
  2. Step 2: Convert to fraction form
    14,655.66/20,223.85 = 9,349.91/x
  3. Step 3: Cross multiply
    14,655.66x = 20,223.85 × 9,349.91
  4. Step 4: Simplify right side
    14,655.66x = 189,091,177.35
  5. Step 5: Solve for x
    x = 189,091,177.35/14,655.66
  6. Step 6: Final answer
    x = 12,902.26

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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.