Home / 10,013.76-13,811.34-6,655.52

Finding the Fourth Proportional to 10,013.76, 13,811.34 and 6,655.52

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Solution

The fourth proportional to 10,013.76, 13,811.34 and 6,655.52 is: 9,179.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013.76 : 13,811.34 = 6,655.52 : x
  2. Step 2: Convert to fraction form
    10,013.76/13,811.34 = 6,655.52/x
  3. Step 3: Cross multiply
    10,013.76x = 13,811.34 × 6,655.52
  4. Step 4: Simplify right side
    10,013.76x = 91,921,649.60
  5. Step 5: Solve for x
    x = 91,921,649.60/10,013.76
  6. Step 6: Final answer
    x = 9,179.53

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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.