Home / 15,682.40-23,498.40-8,277.20

Finding the Fourth Proportional to 15,682.40, 23,498.40 and 8,277.20

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Solution

The fourth proportional to 15,682.40, 23,498.40 and 8,277.20 is: 12,402.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,682.40 : 23,498.40 = 8,277.20 : x
  2. Step 2: Convert to fraction form
    15,682.40/23,498.40 = 8,277.20/x
  3. Step 3: Cross multiply
    15,682.40x = 23,498.40 × 8,277.20
  4. Step 4: Simplify right side
    15,682.40x = 194,500,956.48
  5. Step 5: Solve for x
    x = 194,500,956.48/15,682.40
  6. Step 6: Final answer
    x = 12,402.50

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Half scale
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Double scale
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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.