Home / 15,476.42-23,210.91-7,148.43

Finding the Fourth Proportional to 15,476.42, 23,210.91 and 7,148.43

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Solution

The fourth proportional to 15,476.42, 23,210.91 and 7,148.43 is: 10,720.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,476.42 : 23,210.91 = 7,148.43 : x
  2. Step 2: Convert to fraction form
    15,476.42/23,210.91 = 7,148.43/x
  3. Step 3: Cross multiply
    15,476.42x = 23,210.91 × 7,148.43
  4. Step 4: Simplify right side
    15,476.42x = 165,921,565.37
  5. Step 5: Solve for x
    x = 165,921,565.37/15,476.42
  6. Step 6: Final answer
    x = 10,720.93

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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.