Home / 10,514.16-15,770.90-4,272.32

Finding the Fourth Proportional to 10,514.16, 15,770.90 and 4,272.32

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Solution

The fourth proportional to 10,514.16, 15,770.90 and 4,272.32 is: 6,408.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,514.16 : 15,770.90 = 4,272.32 : x
  2. Step 2: Convert to fraction form
    10,514.16/15,770.90 = 4,272.32/x
  3. Step 3: Cross multiply
    10,514.16x = 15,770.90 × 4,272.32
  4. Step 4: Simplify right side
    10,514.16x = 67,378,381.60
  5. Step 5: Solve for x
    x = 67,378,381.60/10,514.16
  6. Step 6: Final answer
    x = 6,408.35

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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.