Home / 13,294.07-18,342.61-8,756.27

Finding the Fourth Proportional to 13,294.07, 18,342.61 and 8,756.27

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Solution

The fourth proportional to 13,294.07, 18,342.61 and 8,756.27 is: 12,081.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294.07 : 18,342.61 = 8,756.27 : x
  2. Step 2: Convert to fraction form
    13,294.07/18,342.61 = 8,756.27/x
  3. Step 3: Cross multiply
    13,294.07x = 18,342.61 × 8,756.27
  4. Step 4: Simplify right side
    13,294.07x = 160,612,902.47
  5. Step 5: Solve for x
    x = 160,612,902.47/13,294.07
  6. Step 6: Final answer
    x = 12,081.55

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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.