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Finding the Fourth Proportional to 15,016.16, 22,491.42 and 7,607.90

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Solution

The fourth proportional to 15,016.16, 22,491.42 and 7,607.90 is: 11,395.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,016.16 : 22,491.42 = 7,607.90 : x
  2. Step 2: Convert to fraction form
    15,016.16/22,491.42 = 7,607.90/x
  3. Step 3: Cross multiply
    15,016.16x = 22,491.42 × 7,607.90
  4. Step 4: Simplify right side
    15,016.16x = 171,112,361.76
  5. Step 5: Solve for x
    x = 171,112,361.76/15,016.16
  6. Step 6: Final answer
    x = 11,395.22

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1.5x scale

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.