Home / 10,340.06-15,519.28-6,820.22

Finding the Fourth Proportional to 10,340.06, 15,519.28 and 6,820.22

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Solution

The fourth proportional to 10,340.06, 15,519.28 and 6,820.22 is: 10,236.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,340.06 : 15,519.28 = 6,820.22 : x
  2. Step 2: Convert to fraction form
    10,340.06/15,519.28 = 6,820.22/x
  3. Step 3: Cross multiply
    10,340.06x = 15,519.28 × 6,820.22
  4. Step 4: Simplify right side
    10,340.06x = 105,844,903.84
  5. Step 5: Solve for x
    x = 105,844,903.84/10,340.06
  6. Step 6: Final answer
    x = 10,236.39

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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.