Home / 10,225.80-15,342.30-4,384.20

Finding the Fourth Proportional to 10,225.80, 15,342.30 and 4,384.20

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Solution

The fourth proportional to 10,225.80, 15,342.30 and 4,384.20 is: 6,577.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,225.80 : 15,342.30 = 4,384.20 : x
  2. Step 2: Convert to fraction form
    10,225.80/15,342.30 = 4,384.20/x
  3. Step 3: Cross multiply
    10,225.80x = 15,342.30 × 4,384.20
  4. Step 4: Simplify right side
    10,225.80x = 67,263,711.66
  5. Step 5: Solve for x
    x = 67,263,711.66/10,225.80
  6. Step 6: Final answer
    x = 6,577.84

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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.