Home / 15,886.83-23,820.93-13,548.09

Finding the Fourth Proportional to 15,886.83, 23,820.93 and 13,548.09

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Solution

The fourth proportional to 15,886.83, 23,820.93 and 13,548.09 is: 20,314.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,886.83 : 23,820.93 = 13,548.09 : x
  2. Step 2: Convert to fraction form
    15,886.83/23,820.93 = 13,548.09/x
  3. Step 3: Cross multiply
    15,886.83x = 23,820.93 × 13,548.09
  4. Step 4: Simplify right side
    15,886.83x = 322,728,103.52
  5. Step 5: Solve for x
    x = 322,728,103.52/15,886.83
  6. Step 6: Final answer
    x = 20,314.19

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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.