Home / 16,438.20-24,657.30-9,785.40

Finding the Fourth Proportional to 16,438.20, 24,657.30 and 9,785.40

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Solution

The fourth proportional to 16,438.20, 24,657.30 and 9,785.40 is: 14,678.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,438.20 : 24,657.30 = 9,785.40 : x
  2. Step 2: Convert to fraction form
    16,438.20/24,657.30 = 9,785.40/x
  3. Step 3: Cross multiply
    16,438.20x = 24,657.30 × 9,785.40
  4. Step 4: Simplify right side
    16,438.20x = 241,281,543.42
  5. Step 5: Solve for x
    x = 241,281,543.42/16,438.20
  6. Step 6: Final answer
    x = 14,678.10

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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.