Home / 13,532.04-20,247.02-7,988.40

Finding the Fourth Proportional to 13,532.04, 20,247.02 and 7,988.40

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Solution

The fourth proportional to 13,532.04, 20,247.02 and 7,988.40 is: 11,952.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,532.04 : 20,247.02 = 7,988.40 : x
  2. Step 2: Convert to fraction form
    13,532.04/20,247.02 = 7,988.40/x
  3. Step 3: Cross multiply
    13,532.04x = 20,247.02 × 7,988.40
  4. Step 4: Simplify right side
    13,532.04x = 161,741,294.57
  5. Step 5: Solve for x
    x = 161,741,294.57/13,532.04
  6. Step 6: Final answer
    x = 11,952.47

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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.