Home / 14,337.20-21,498.88-7,319.60

Finding the Fourth Proportional to 14,337.20, 21,498.88 and 7,319.60

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Solution

The fourth proportional to 14,337.20, 21,498.88 and 7,319.60 is: 10,975.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,337.20 : 21,498.88 = 7,319.60 : x
  2. Step 2: Convert to fraction form
    14,337.20/21,498.88 = 7,319.60/x
  3. Step 3: Cross multiply
    14,337.20x = 21,498.88 × 7,319.60
  4. Step 4: Simplify right side
    14,337.20x = 157,363,202.05
  5. Step 5: Solve for x
    x = 157,363,202.05/14,337.20
  6. Step 6: Final answer
    x = 10,975.87

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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.