Home / 10,278.14-14,180.04-6,746.15

Finding the Fourth Proportional to 10,278.14, 14,180.04 and 6,746.15

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Solution

The fourth proportional to 10,278.14, 14,180.04 and 6,746.15 is: 9,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278.14 : 14,180.04 = 6,746.15 : x
  2. Step 2: Convert to fraction form
    10,278.14/14,180.04 = 6,746.15/x
  3. Step 3: Cross multiply
    10,278.14x = 14,180.04 × 6,746.15
  4. Step 4: Simplify right side
    10,278.14x = 95,660,676.85
  5. Step 5: Solve for x
    x = 95,660,676.85/10,278.14
  6. Step 6: Final answer
    x = 9,307.20

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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.