Home / 11,535.04-15,905.46-9,017.56

Finding the Fourth Proportional to 11,535.04, 15,905.46 and 9,017.56

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Solution

The fourth proportional to 11,535.04, 15,905.46 and 9,017.56 is: 12,434.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,535.04 : 15,905.46 = 9,017.56 : x
  2. Step 2: Convert to fraction form
    11,535.04/15,905.46 = 9,017.56/x
  3. Step 3: Cross multiply
    11,535.04x = 15,905.46 × 9,017.56
  4. Step 4: Simplify right side
    11,535.04x = 143,428,439.88
  5. Step 5: Solve for x
    x = 143,428,439.88/11,535.04
  6. Step 6: Final answer
    x = 12,434.15

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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.