Home / 15,918.20-23,881.40-14,917.64

Finding the Fourth Proportional to 15,918.20, 23,881.40 and 14,917.64

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Solution

The fourth proportional to 15,918.20, 23,881.40 and 14,917.64 is: 22,380.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,918.20 : 23,881.40 = 14,917.64 : x
  2. Step 2: Convert to fraction form
    15,918.20/23,881.40 = 14,917.64/x
  3. Step 3: Cross multiply
    15,918.20x = 23,881.40 × 14,917.64
  4. Step 4: Simplify right side
    15,918.20x = 356,254,127.90
  5. Step 5: Solve for x
    x = 356,254,127.90/15,918.20
  6. Step 6: Final answer
    x = 22,380.30

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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.