Home / 9,011.40-13,517.10-8,865.60

Finding the Fourth Proportional to 9,011.40, 13,517.10 and 8,865.60

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Solution

The fourth proportional to 9,011.40, 13,517.10 and 8,865.60 is: 13,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,011.40 : 13,517.10 = 8,865.60 : x
  2. Step 2: Convert to fraction form
    9,011.40/13,517.10 = 8,865.60/x
  3. Step 3: Cross multiply
    9,011.40x = 13,517.10 × 8,865.60
  4. Step 4: Simplify right side
    9,011.40x = 119,837,201.76
  5. Step 5: Solve for x
    x = 119,837,201.76/9,011.40
  6. Step 6: Final answer
    x = 13,298.40

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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.