Home / 15,565.14-23,347.89-5,176.89

Finding the Fourth Proportional to 15,565.14, 23,347.89 and 5,176.89

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Solution

The fourth proportional to 15,565.14, 23,347.89 and 5,176.89 is: 7,765.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,565.14 : 23,347.89 = 5,176.89 : x
  2. Step 2: Convert to fraction form
    15,565.14/23,347.89 = 5,176.89/x
  3. Step 3: Cross multiply
    15,565.14x = 23,347.89 × 5,176.89
  4. Step 4: Simplify right side
    15,565.14x = 120,869,458.26
  5. Step 5: Solve for x
    x = 120,869,458.26/15,565.14
  6. Step 6: Final answer
    x = 7,765.39

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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.