Home / 10,577.32-15,865.90-4,421.32

Finding the Fourth Proportional to 10,577.32, 15,865.90 and 4,421.32

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Solution

The fourth proportional to 10,577.32, 15,865.90 and 4,421.32 is: 6,631.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,577.32 : 15,865.90 = 4,421.32 : x
  2. Step 2: Convert to fraction form
    10,577.32/15,865.90 = 4,421.32/x
  3. Step 3: Cross multiply
    10,577.32x = 15,865.90 × 4,421.32
  4. Step 4: Simplify right side
    10,577.32x = 70,148,220.99
  5. Step 5: Solve for x
    x = 70,148,220.99/10,577.32
  6. Step 6: Final answer
    x = 6,631.95

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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.