Home / 21,763.50-30,037.28-12,337.53

Finding the Fourth Proportional to 21,763.50, 30,037.28 and 12,337.53

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Solution

The fourth proportional to 21,763.50, 30,037.28 and 12,337.53 is: 17,027.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,763.50 : 30,037.28 = 12,337.53 : x
  2. Step 2: Convert to fraction form
    21,763.50/30,037.28 = 12,337.53/x
  3. Step 3: Cross multiply
    21,763.50x = 30,037.28 × 12,337.53
  4. Step 4: Simplify right side
    21,763.50x = 370,585,781.43
  5. Step 5: Solve for x
    x = 370,585,781.43/21,763.50
  6. Step 6: Final answer
    x = 17,027.86

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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.