Home / 18,528.40-27,757.76-9,157.52

Finding the Fourth Proportional to 18,528.40, 27,757.76 and 9,157.52

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Solution

The fourth proportional to 18,528.40, 27,757.76 and 9,157.52 is: 13,719.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528.40 : 27,757.76 = 9,157.52 : x
  2. Step 2: Convert to fraction form
    18,528.40/27,757.76 = 9,157.52/x
  3. Step 3: Cross multiply
    18,528.40x = 27,757.76 × 9,157.52
  4. Step 4: Simplify right side
    18,528.40x = 254,192,242.36
  5. Step 5: Solve for x
    x = 254,192,242.36/18,528.40
  6. Step 6: Final answer
    x = 13,719.06

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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.