Home / 15,819.08-23,708.76-13,840.04

Finding the Fourth Proportional to 15,819.08, 23,708.76 and 13,840.04

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Solution

The fourth proportional to 15,819.08, 23,708.76 and 13,840.04 is: 20,742.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,819.08 : 23,708.76 = 13,840.04 : x
  2. Step 2: Convert to fraction form
    15,819.08/23,708.76 = 13,840.04/x
  3. Step 3: Cross multiply
    15,819.08x = 23,708.76 × 13,840.04
  4. Step 4: Simplify right side
    15,819.08x = 328,130,186.75
  5. Step 5: Solve for x
    x = 328,130,186.75/15,819.08
  6. Step 6: Final answer
    x = 20,742.68

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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.