Home / 12,793.68-19,184.76-5,000.40

Finding the Fourth Proportional to 12,793.68, 19,184.76 and 5,000.40

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Solution

The fourth proportional to 12,793.68, 19,184.76 and 5,000.40 is: 7,498.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,793.68 : 19,184.76 = 5,000.40 : x
  2. Step 2: Convert to fraction form
    12,793.68/19,184.76 = 5,000.40/x
  3. Step 3: Cross multiply
    12,793.68x = 19,184.76 × 5,000.40
  4. Step 4: Simplify right side
    12,793.68x = 95,931,473.90
  5. Step 5: Solve for x
    x = 95,931,473.90/12,793.68
  6. Step 6: Final answer
    x = 7,498.35

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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.