Home / 10,560.80-15,835.30-4,325.16

Finding the Fourth Proportional to 10,560.80, 15,835.30 and 4,325.16

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Solution

The fourth proportional to 10,560.80, 15,835.30 and 4,325.16 is: 6,485.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,560.80 : 15,835.30 = 4,325.16 : x
  2. Step 2: Convert to fraction form
    10,560.80/15,835.30 = 4,325.16/x
  3. Step 3: Cross multiply
    10,560.80x = 15,835.30 × 4,325.16
  4. Step 4: Simplify right side
    10,560.80x = 68,490,206.15
  5. Step 5: Solve for x
    x = 68,490,206.15/10,560.80
  6. Step 6: Final answer
    x = 6,485.32

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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.