Home / 13,392.78-20,085.27-4,030.38

Finding the Fourth Proportional to 13,392.78, 20,085.27 and 4,030.38

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Solution

The fourth proportional to 13,392.78, 20,085.27 and 4,030.38 is: 6,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,392.78 : 20,085.27 = 4,030.38 : x
  2. Step 2: Convert to fraction form
    13,392.78/20,085.27 = 4,030.38/x
  3. Step 3: Cross multiply
    13,392.78x = 20,085.27 × 4,030.38
  4. Step 4: Simplify right side
    13,392.78x = 80,951,270.50
  5. Step 5: Solve for x
    x = 80,951,270.50/13,392.78
  6. Step 6: Final answer
    x = 6,044.40

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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.