Home / 10,077.25-13,913.38-9,011.70

Finding the Fourth Proportional to 10,077.25, 13,913.38 and 9,011.70

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Solution

The fourth proportional to 10,077.25, 13,913.38 and 9,011.70 is: 12,442.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077.25 : 13,913.38 = 9,011.70 : x
  2. Step 2: Convert to fraction form
    10,077.25/13,913.38 = 9,011.70/x
  3. Step 3: Cross multiply
    10,077.25x = 13,913.38 × 9,011.70
  4. Step 4: Simplify right side
    10,077.25x = 125,383,206.55
  5. Step 5: Solve for x
    x = 125,383,206.55/10,077.25
  6. Step 6: Final answer
    x = 12,442.20

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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.