Home / 19,151.04-28,711.04-8,613.35

Finding the Fourth Proportional to 19,151.04, 28,711.04 and 8,613.35

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Solution

The fourth proportional to 19,151.04, 28,711.04 and 8,613.35 is: 12,913.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,151.04 : 28,711.04 = 8,613.35 : x
  2. Step 2: Convert to fraction form
    19,151.04/28,711.04 = 8,613.35/x
  3. Step 3: Cross multiply
    19,151.04x = 28,711.04 × 8,613.35
  4. Step 4: Simplify right side
    19,151.04x = 247,298,049.76
  5. Step 5: Solve for x
    x = 247,298,049.76/19,151.04
  6. Step 6: Final answer
    x = 12,913.03

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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.