Home / 14,956.08-20,639.24-8,987.60

Finding the Fourth Proportional to 14,956.08, 20,639.24 and 8,987.60

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Solution

The fourth proportional to 14,956.08, 20,639.24 and 8,987.60 is: 12,402.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,956.08 : 20,639.24 = 8,987.60 : x
  2. Step 2: Convert to fraction form
    14,956.08/20,639.24 = 8,987.60/x
  3. Step 3: Cross multiply
    14,956.08x = 20,639.24 × 8,987.60
  4. Step 4: Simplify right side
    14,956.08x = 185,497,233.42
  5. Step 5: Solve for x
    x = 185,497,233.42/14,956.08
  6. Step 6: Final answer
    x = 12,402.80

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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.