Home / 13,356.96-18,425.92-8,319.52

Finding the Fourth Proportional to 13,356.96, 18,425.92 and 8,319.52

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Solution

The fourth proportional to 13,356.96, 18,425.92 and 8,319.52 is: 11,476.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,356.96 : 18,425.92 = 8,319.52 : x
  2. Step 2: Convert to fraction form
    13,356.96/18,425.92 = 8,319.52/x
  3. Step 3: Cross multiply
    13,356.96x = 18,425.92 × 8,319.52
  4. Step 4: Simplify right side
    13,356.96x = 153,294,809.96
  5. Step 5: Solve for x
    x = 153,294,809.96/13,356.96
  6. Step 6: Final answer
    x = 11,476.77

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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.