Home / 15,956.32-23,926.40-7,520

Finding the Fourth Proportional to 15,956.32, 23,926.40 and 7,520

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Solution

The fourth proportional to 15,956.32, 23,926.40 and 7,520 is: 11,276.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,956.32 : 23,926.40 = 7,520 : x
  2. Step 2: Convert to fraction form
    15,956.32/23,926.40 = 7,520/x
  3. Step 3: Cross multiply
    15,956.32x = 23,926.40 × 7,520
  4. Step 4: Simplify right side
    15,956.32x = 179,926,528
  5. Step 5: Solve for x
    x = 179,926,528/15,956.32
  6. Step 6: Final answer
    x = 11,276.19

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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.