Home / 10,146.02-15,223.58-6,447.29

Finding the Fourth Proportional to 10,146.02, 15,223.58 and 6,447.29

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Solution

The fourth proportional to 10,146.02, 15,223.58 and 6,447.29 is: 9,673.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,146.02 : 15,223.58 = 6,447.29 : x
  2. Step 2: Convert to fraction form
    10,146.02/15,223.58 = 6,447.29/x
  3. Step 3: Cross multiply
    10,146.02x = 15,223.58 × 6,447.29
  4. Step 4: Simplify right side
    10,146.02x = 98,150,726.74
  5. Step 5: Solve for x
    x = 98,150,726.74/10,146.02
  6. Step 6: Final answer
    x = 9,673.82

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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.