Home / 10,085.13-15,132.02-9,225.45

Finding the Fourth Proportional to 10,085.13, 15,132.02 and 9,225.45

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Solution

The fourth proportional to 10,085.13, 15,132.02 and 9,225.45 is: 13,842.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,085.13 : 15,132.02 = 9,225.45 : x
  2. Step 2: Convert to fraction form
    10,085.13/15,132.02 = 9,225.45/x
  3. Step 3: Cross multiply
    10,085.13x = 15,132.02 × 9,225.45
  4. Step 4: Simplify right side
    10,085.13x = 139,599,647.78
  5. Step 5: Solve for x
    x = 139,599,647.78/10,085.13
  6. Step 6: Final answer
    x = 13,842.13

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.