Home / 10,939.02-15,097.24-6,159.22

Finding the Fourth Proportional to 10,939.02, 15,097.24 and 6,159.22

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Solution

The fourth proportional to 10,939.02, 15,097.24 and 6,159.22 is: 8,500.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939.02 : 15,097.24 = 6,159.22 : x
  2. Step 2: Convert to fraction form
    10,939.02/15,097.24 = 6,159.22/x
  3. Step 3: Cross multiply
    10,939.02x = 15,097.24 × 6,159.22
  4. Step 4: Simplify right side
    10,939.02x = 92,987,222.55
  5. Step 5: Solve for x
    x = 92,987,222.55/10,939.02
  6. Step 6: Final answer
    x = 8,500.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.