Home / 10,147.29-15,225.95-6,853.15

Finding the Fourth Proportional to 10,147.29, 15,225.95 and 6,853.15

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Solution

The fourth proportional to 10,147.29, 15,225.95 and 6,853.15 is: 10,283.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,147.29 : 15,225.95 = 6,853.15 : x
  2. Step 2: Convert to fraction form
    10,147.29/15,225.95 = 6,853.15/x
  3. Step 3: Cross multiply
    10,147.29x = 15,225.95 × 6,853.15
  4. Step 4: Simplify right side
    10,147.29x = 104,345,719.24
  5. Step 5: Solve for x
    x = 104,345,719.24/10,147.29
  6. Step 6: Final answer
    x = 10,283.11

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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.