Home / 15,108.30-20,937.80-14,896.89

Finding the Fourth Proportional to 15,108.30, 20,937.80 and 14,896.89

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Solution

The fourth proportional to 15,108.30, 20,937.80 and 14,896.89 is: 20,644.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,108.30 : 20,937.80 = 14,896.89 : x
  2. Step 2: Convert to fraction form
    15,108.30/20,937.80 = 14,896.89/x
  3. Step 3: Cross multiply
    15,108.30x = 20,937.80 × 14,896.89
  4. Step 4: Simplify right side
    15,108.30x = 311,908,140.68
  5. Step 5: Solve for x
    x = 311,908,140.68/15,108.30
  6. Step 6: Final answer
    x = 20,644.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.