Home / 10,987.08-15,158.58-6,270.44

Finding the Fourth Proportional to 10,987.08, 15,158.58 and 6,270.44

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Solution

The fourth proportional to 10,987.08, 15,158.58 and 6,270.44 is: 8,651.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,987.08 : 15,158.58 = 6,270.44 : x
  2. Step 2: Convert to fraction form
    10,987.08/15,158.58 = 6,270.44/x
  3. Step 3: Cross multiply
    10,987.08x = 15,158.58 × 6,270.44
  4. Step 4: Simplify right side
    10,987.08x = 95,050,966.38
  5. Step 5: Solve for x
    x = 95,050,966.38/10,987.08
  6. Step 6: Final answer
    x = 8,651.16

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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.