Home / 22,812.90-31,463.73-13,860.15

Finding the Fourth Proportional to 22,812.90, 31,463.73 and 13,860.15

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Solution

The fourth proportional to 22,812.90, 31,463.73 and 13,860.15 is: 19,116.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,812.90 : 31,463.73 = 13,860.15 : x
  2. Step 2: Convert to fraction form
    22,812.90/31,463.73 = 13,860.15/x
  3. Step 3: Cross multiply
    22,812.90x = 31,463.73 × 13,860.15
  4. Step 4: Simplify right side
    22,812.90x = 436,092,017.36
  5. Step 5: Solve for x
    x = 436,092,017.36/22,812.90
  6. Step 6: Final answer
    x = 19,116.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.