Home / 16,422.67-22,663.45-9,349.55

Finding the Fourth Proportional to 16,422.67, 22,663.45 and 9,349.55

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Solution

The fourth proportional to 16,422.67, 22,663.45 and 9,349.55 is: 12,902.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,422.67 : 22,663.45 = 9,349.55 : x
  2. Step 2: Convert to fraction form
    16,422.67/22,663.45 = 9,349.55/x
  3. Step 3: Cross multiply
    16,422.67x = 22,663.45 × 9,349.55
  4. Step 4: Simplify right side
    16,422.67x = 211,893,004.86
  5. Step 5: Solve for x
    x = 211,893,004.86/16,422.67
  6. Step 6: Final answer
    x = 12,902.47

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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.