Home / 11,132.40-16,674.30-9,901.20

Finding the Fourth Proportional to 11,132.40, 16,674.30 and 9,901.20

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Solution

The fourth proportional to 11,132.40, 16,674.30 and 9,901.20 is: 14,830.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,132.40 : 16,674.30 = 9,901.20 : x
  2. Step 2: Convert to fraction form
    11,132.40/16,674.30 = 9,901.20/x
  3. Step 3: Cross multiply
    11,132.40x = 16,674.30 × 9,901.20
  4. Step 4: Simplify right side
    11,132.40x = 165,095,579.16
  5. Step 5: Solve for x
    x = 165,095,579.16/11,132.40
  6. Step 6: Final answer
    x = 14,830.19

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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.