Home / 16,631.15-22,951.21-9,077.70

Finding the Fourth Proportional to 16,631.15, 22,951.21 and 9,077.70

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Solution

The fourth proportional to 16,631.15, 22,951.21 and 9,077.70 is: 12,527.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,631.15 : 22,951.21 = 9,077.70 : x
  2. Step 2: Convert to fraction form
    16,631.15/22,951.21 = 9,077.70/x
  3. Step 3: Cross multiply
    16,631.15x = 22,951.21 × 9,077.70
  4. Step 4: Simplify right side
    16,631.15x = 208,344,153.63
  5. Step 5: Solve for x
    x = 208,344,153.63/16,631.15
  6. Step 6: Final answer
    x = 12,527.34

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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.