Home / 15,983.28-23,947.20-14,360.04

Finding the Fourth Proportional to 15,983.28, 23,947.20 and 14,360.04

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Solution

The fourth proportional to 15,983.28, 23,947.20 and 14,360.04 is: 21,515.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,983.28 : 23,947.20 = 14,360.04 : x
  2. Step 2: Convert to fraction form
    15,983.28/23,947.20 = 14,360.04/x
  3. Step 3: Cross multiply
    15,983.28x = 23,947.20 × 14,360.04
  4. Step 4: Simplify right side
    15,983.28x = 343,882,749.89
  5. Step 5: Solve for x
    x = 343,882,749.89/15,983.28
  6. Step 6: Final answer
    x = 21,515.16

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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.