Home / 10,984.40-15,158.48-5,948.66

Finding the Fourth Proportional to 10,984.40, 15,158.48 and 5,948.66

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Solution

The fourth proportional to 10,984.40, 15,158.48 and 5,948.66 is: 8,209.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,984.40 : 15,158.48 = 5,948.66 : x
  2. Step 2: Convert to fraction form
    10,984.40/15,158.48 = 5,948.66/x
  3. Step 3: Cross multiply
    10,984.40x = 15,158.48 × 5,948.66
  4. Step 4: Simplify right side
    10,984.40x = 90,172,643.64
  5. Step 5: Solve for x
    x = 90,172,643.64/10,984.40
  6. Step 6: Final answer
    x = 8,209.16

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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.