Home / 9,278.54-13,915.65-4,343.48

Finding the Fourth Proportional to 9,278.54, 13,915.65 and 4,343.48

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Solution

The fourth proportional to 9,278.54, 13,915.65 and 4,343.48 is: 6,514.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278.54 : 13,915.65 = 4,343.48 : x
  2. Step 2: Convert to fraction form
    9,278.54/13,915.65 = 4,343.48/x
  3. Step 3: Cross multiply
    9,278.54x = 13,915.65 × 4,343.48
  4. Step 4: Simplify right side
    9,278.54x = 60,442,347.46
  5. Step 5: Solve for x
    x = 60,442,347.46/9,278.54
  6. Step 6: Final answer
    x = 6,514.21

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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.