Home / 21,603.60-29,806.31-12,527.12

Finding the Fourth Proportional to 21,603.60, 29,806.31 and 12,527.12

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Solution

The fourth proportional to 21,603.60, 29,806.31 and 12,527.12 is: 17,283.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,603.60 : 29,806.31 = 12,527.12 : x
  2. Step 2: Convert to fraction form
    21,603.60/29,806.31 = 12,527.12/x
  3. Step 3: Cross multiply
    21,603.60x = 29,806.31 × 12,527.12
  4. Step 4: Simplify right side
    21,603.60x = 373,387,010.46
  5. Step 5: Solve for x
    x = 373,387,010.46/21,603.60
  6. Step 6: Final answer
    x = 17,283.56

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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.