Home / 10,319.16-15,479.56-6,187.36

Finding the Fourth Proportional to 10,319.16, 15,479.56 and 6,187.36

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Solution

The fourth proportional to 10,319.16, 15,479.56 and 6,187.36 is: 9,281.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,319.16 : 15,479.56 = 6,187.36 : x
  2. Step 2: Convert to fraction form
    10,319.16/15,479.56 = 6,187.36/x
  3. Step 3: Cross multiply
    10,319.16x = 15,479.56 × 6,187.36
  4. Step 4: Simplify right side
    10,319.16x = 95,777,610.36
  5. Step 5: Solve for x
    x = 95,777,610.36/10,319.16
  6. Step 6: Final answer
    x = 9,281.53

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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.