Home / 10,330.98-15,479.45-5,393.22

Finding the Fourth Proportional to 10,330.98, 15,479.45 and 5,393.22

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Solution

The fourth proportional to 10,330.98, 15,479.45 and 5,393.22 is: 8,080.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,330.98 : 15,479.45 = 5,393.22 : x
  2. Step 2: Convert to fraction form
    10,330.98/15,479.45 = 5,393.22/x
  3. Step 3: Cross multiply
    10,330.98x = 15,479.45 × 5,393.22
  4. Step 4: Simplify right side
    10,330.98x = 83,484,079.33
  5. Step 5: Solve for x
    x = 83,484,079.33/10,330.98
  6. Step 6: Final answer
    x = 8,080.94

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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.