Home / 10,959.41-15,131.28-6,484.59

Finding the Fourth Proportional to 10,959.41, 15,131.28 and 6,484.59

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Solution

The fourth proportional to 10,959.41, 15,131.28 and 6,484.59 is: 8,953.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,959.41 : 15,131.28 = 6,484.59 : x
  2. Step 2: Convert to fraction form
    10,959.41/15,131.28 = 6,484.59/x
  3. Step 3: Cross multiply
    10,959.41x = 15,131.28 × 6,484.59
  4. Step 4: Simplify right side
    10,959.41x = 98,120,146.98
  5. Step 5: Solve for x
    x = 98,120,146.98/10,959.41
  6. Step 6: Final answer
    x = 8,953.05

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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.