Home / 15,124.35-20,817.88-11,084.07

Finding the Fourth Proportional to 15,124.35, 20,817.88 and 11,084.07

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Solution

The fourth proportional to 15,124.35, 20,817.88 and 11,084.07 is: 15,256.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,124.35 : 20,817.88 = 11,084.07 : x
  2. Step 2: Convert to fraction form
    15,124.35/20,817.88 = 11,084.07/x
  3. Step 3: Cross multiply
    15,124.35x = 20,817.88 × 11,084.07
  4. Step 4: Simplify right side
    15,124.35x = 230,746,839.17
  5. Step 5: Solve for x
    x = 230,746,839.17/15,124.35
  6. Step 6: Final answer
    x = 15,256.65

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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.