Home / 15,364.78-23,047.62-4,272.28

Finding the Fourth Proportional to 15,364.78, 23,047.62 and 4,272.28

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Solution

The fourth proportional to 15,364.78, 23,047.62 and 4,272.28 is: 6,408.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,364.78 : 23,047.62 = 4,272.28 : x
  2. Step 2: Convert to fraction form
    15,364.78/23,047.62 = 4,272.28/x
  3. Step 3: Cross multiply
    15,364.78x = 23,047.62 × 4,272.28
  4. Step 4: Simplify right side
    15,364.78x = 98,465,885.97
  5. Step 5: Solve for x
    x = 98,465,885.97/15,364.78
  6. Step 6: Final answer
    x = 6,408.55

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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.