Home / 10,888.14-15,024.08-6,171.50

Finding the Fourth Proportional to 10,888.14, 15,024.08 and 6,171.50

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Solution

The fourth proportional to 10,888.14, 15,024.08 and 6,171.50 is: 8,515.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888.14 : 15,024.08 = 6,171.50 : x
  2. Step 2: Convert to fraction form
    10,888.14/15,024.08 = 6,171.50/x
  3. Step 3: Cross multiply
    10,888.14x = 15,024.08 × 6,171.50
  4. Step 4: Simplify right side
    10,888.14x = 92,721,109.72
  5. Step 5: Solve for x
    x = 92,721,109.72/10,888.14
  6. Step 6: Final answer
    x = 8,515.79

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1.5x scale

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.