Home / 10,282.10-15,423.15-2,886.80

Finding the Fourth Proportional to 10,282.10, 15,423.15 and 2,886.80

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Solution

The fourth proportional to 10,282.10, 15,423.15 and 2,886.80 is: 4,330.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,282.10 : 15,423.15 = 2,886.80 : x
  2. Step 2: Convert to fraction form
    10,282.10/15,423.15 = 2,886.80/x
  3. Step 3: Cross multiply
    10,282.10x = 15,423.15 × 2,886.80
  4. Step 4: Simplify right side
    10,282.10x = 44,523,549.42
  5. Step 5: Solve for x
    x = 44,523,549.42/10,282.10
  6. Step 6: Final answer
    x = 4,330.20

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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.