Home / 10,519.19-15,774.20-5,587.64

Finding the Fourth Proportional to 10,519.19, 15,774.20 and 5,587.64

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Solution

The fourth proportional to 10,519.19, 15,774.20 and 5,587.64 is: 8,379.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,519.19 : 15,774.20 = 5,587.64 : x
  2. Step 2: Convert to fraction form
    10,519.19/15,774.20 = 5,587.64/x
  3. Step 3: Cross multiply
    10,519.19x = 15,774.20 × 5,587.64
  4. Step 4: Simplify right side
    10,519.19x = 88,140,522.95
  5. Step 5: Solve for x
    x = 88,140,522.95/10,519.19
  6. Step 6: Final answer
    x = 8,379.02

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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.