Home / 18,706.40-28,098.48-14,837.84

Finding the Fourth Proportional to 18,706.40, 28,098.48 and 14,837.84

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Solution

The fourth proportional to 18,706.40, 28,098.48 and 14,837.84 is: 22,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,706.40 : 28,098.48 = 14,837.84 : x
  2. Step 2: Convert to fraction form
    18,706.40/28,098.48 = 14,837.84/x
  3. Step 3: Cross multiply
    18,706.40x = 28,098.48 × 14,837.84
  4. Step 4: Simplify right side
    18,706.40x = 416,920,750.48
  5. Step 5: Solve for x
    x = 416,920,750.48/18,706.40
  6. Step 6: Final answer
    x = 22,287.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.