Home / 10,870.62-15,001.65-6,155.88

Finding the Fourth Proportional to 10,870.62, 15,001.65 and 6,155.88

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Solution

The fourth proportional to 10,870.62, 15,001.65 and 6,155.88 is: 8,495.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,870.62 : 15,001.65 = 6,155.88 : x
  2. Step 2: Convert to fraction form
    10,870.62/15,001.65 = 6,155.88/x
  3. Step 3: Cross multiply
    10,870.62x = 15,001.65 × 6,155.88
  4. Step 4: Simplify right side
    10,870.62x = 92,348,357.20
  5. Step 5: Solve for x
    x = 92,348,357.20/10,870.62
  6. Step 6: Final answer
    x = 8,495.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.