Home / 10,882.83-15,017.04-6,405.60

Finding the Fourth Proportional to 10,882.83, 15,017.04 and 6,405.60

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Solution

The fourth proportional to 10,882.83, 15,017.04 and 6,405.60 is: 8,838.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,882.83 : 15,017.04 = 6,405.60 : x
  2. Step 2: Convert to fraction form
    10,882.83/15,017.04 = 6,405.60/x
  3. Step 3: Cross multiply
    10,882.83x = 15,017.04 × 6,405.60
  4. Step 4: Simplify right side
    10,882.83x = 96,193,151.42
  5. Step 5: Solve for x
    x = 96,193,151.42/10,882.83
  6. Step 6: Final answer
    x = 8,838.98

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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.