Home / 11,639.18-16,061.52-6,603.30

Finding the Fourth Proportional to 11,639.18, 16,061.52 and 6,603.30

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Solution

The fourth proportional to 11,639.18, 16,061.52 and 6,603.30 is: 9,112.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,639.18 : 16,061.52 = 6,603.30 : x
  2. Step 2: Convert to fraction form
    11,639.18/16,061.52 = 6,603.30/x
  3. Step 3: Cross multiply
    11,639.18x = 16,061.52 × 6,603.30
  4. Step 4: Simplify right side
    11,639.18x = 106,059,035.02
  5. Step 5: Solve for x
    x = 106,059,035.02/11,639.18
  6. Step 6: Final answer
    x = 9,112.24

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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.