Home / 13,443.76-18,522.12-10,081.32

Finding the Fourth Proportional to 13,443.76, 18,522.12 and 10,081.32

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Solution

The fourth proportional to 13,443.76, 18,522.12 and 10,081.32 is: 13,889.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,443.76 : 18,522.12 = 10,081.32 : x
  2. Step 2: Convert to fraction form
    13,443.76/18,522.12 = 10,081.32/x
  3. Step 3: Cross multiply
    13,443.76x = 18,522.12 × 10,081.32
  4. Step 4: Simplify right side
    13,443.76x = 186,727,418.80
  5. Step 5: Solve for x
    x = 186,727,418.80/13,443.76
  6. Step 6: Final answer
    x = 13,889.52

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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.