Home / 10,401.56-15,589.20-4,551.20

Finding the Fourth Proportional to 10,401.56, 15,589.20 and 4,551.20

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Solution

The fourth proportional to 10,401.56, 15,589.20 and 4,551.20 is: 6,821.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,401.56 : 15,589.20 = 4,551.20 : x
  2. Step 2: Convert to fraction form
    10,401.56/15,589.20 = 4,551.20/x
  3. Step 3: Cross multiply
    10,401.56x = 15,589.20 × 4,551.20
  4. Step 4: Simplify right side
    10,401.56x = 70,949,567.04
  5. Step 5: Solve for x
    x = 70,949,567.04/10,401.56
  6. Step 6: Final answer
    x = 6,821.05

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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.