Home / 12,528.40-18,767.04-5,934.55

Finding the Fourth Proportional to 12,528.40, 18,767.04 and 5,934.55

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Solution

The fourth proportional to 12,528.40, 18,767.04 and 5,934.55 is: 8,889.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528.40 : 18,767.04 = 5,934.55 : x
  2. Step 2: Convert to fraction form
    12,528.40/18,767.04 = 5,934.55/x
  3. Step 3: Cross multiply
    12,528.40x = 18,767.04 × 5,934.55
  4. Step 4: Simplify right side
    12,528.40x = 111,373,937.23
  5. Step 5: Solve for x
    x = 111,373,937.23/12,528.40
  6. Step 6: Final answer
    x = 8,889.72

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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.