Home / 18,886.44-26,061.70-10,929.18

Finding the Fourth Proportional to 18,886.44, 26,061.70 and 10,929.18

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Solution

The fourth proportional to 18,886.44, 26,061.70 and 10,929.18 is: 15,081.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,886.44 : 26,061.70 = 10,929.18 : x
  2. Step 2: Convert to fraction form
    18,886.44/26,061.70 = 10,929.18/x
  3. Step 3: Cross multiply
    18,886.44x = 26,061.70 × 10,929.18
  4. Step 4: Simplify right side
    18,886.44x = 284,833,010.41
  5. Step 5: Solve for x
    x = 284,833,010.41/18,886.44
  6. Step 6: Final answer
    x = 15,081.35

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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.