Home / 12,507.72-18,752.40-5,926.20

Finding the Fourth Proportional to 12,507.72, 18,752.40 and 5,926.20

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Solution

The fourth proportional to 12,507.72, 18,752.40 and 5,926.20 is: 8,884.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507.72 : 18,752.40 = 5,926.20 : x
  2. Step 2: Convert to fraction form
    12,507.72/18,752.40 = 5,926.20/x
  3. Step 3: Cross multiply
    12,507.72x = 18,752.40 × 5,926.20
  4. Step 4: Simplify right side
    12,507.72x = 111,130,472.88
  5. Step 5: Solve for x
    x = 111,130,472.88/12,507.72
  6. Step 6: Final answer
    x = 8,884.95

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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.