Home / 10,557.93-15,839.24-3,984.18

Finding the Fourth Proportional to 10,557.93, 15,839.24 and 3,984.18

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Solution

The fourth proportional to 10,557.93, 15,839.24 and 3,984.18 is: 5,977.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557.93 : 15,839.24 = 3,984.18 : x
  2. Step 2: Convert to fraction form
    10,557.93/15,839.24 = 3,984.18/x
  3. Step 3: Cross multiply
    10,557.93x = 15,839.24 × 3,984.18
  4. Step 4: Simplify right side
    10,557.93x = 63,106,363.30
  5. Step 5: Solve for x
    x = 63,106,363.30/10,557.93
  6. Step 6: Final answer
    x = 5,977.15

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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.