Home / 10,557.06-15,830.46-3,983.76

Finding the Fourth Proportional to 10,557.06, 15,830.46 and 3,983.76

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Solution

The fourth proportional to 10,557.06, 15,830.46 and 3,983.76 is: 5,973.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557.06 : 15,830.46 = 3,983.76 : x
  2. Step 2: Convert to fraction form
    10,557.06/15,830.46 = 3,983.76/x
  3. Step 3: Cross multiply
    10,557.06x = 15,830.46 × 3,983.76
  4. Step 4: Simplify right side
    10,557.06x = 63,064,720.01
  5. Step 5: Solve for x
    x = 63,064,720.01/10,557.06
  6. Step 6: Final answer
    x = 5,973.70

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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.