Home / 9,887.29-13,647.03-6,862.62

Finding the Fourth Proportional to 9,887.29, 13,647.03 and 6,862.62

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Solution

The fourth proportional to 9,887.29, 13,647.03 and 6,862.62 is: 9,472.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,887.29 : 13,647.03 = 6,862.62 : x
  2. Step 2: Convert to fraction form
    9,887.29/13,647.03 = 6,862.62/x
  3. Step 3: Cross multiply
    9,887.29x = 13,647.03 × 6,862.62
  4. Step 4: Simplify right side
    9,887.29x = 93,654,445.06
  5. Step 5: Solve for x
    x = 93,654,445.06/9,887.29
  6. Step 6: Final answer
    x = 9,472.21

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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.