Home / 22,918.40-34,345.20-14,127.20

Finding the Fourth Proportional to 22,918.40, 34,345.20 and 14,127.20

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Solution

The fourth proportional to 22,918.40, 34,345.20 and 14,127.20 is: 21,170.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,918.40 : 34,345.20 = 14,127.20 : x
  2. Step 2: Convert to fraction form
    22,918.40/34,345.20 = 14,127.20/x
  3. Step 3: Cross multiply
    22,918.40x = 34,345.20 × 14,127.20
  4. Step 4: Simplify right side
    22,918.40x = 485,201,509.44
  5. Step 5: Solve for x
    x = 485,201,509.44/22,918.40
  6. Step 6: Final answer
    x = 21,170.83

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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.