Home / 12,600.31-17,389.14-7,223.63

Finding the Fourth Proportional to 12,600.31, 17,389.14 and 7,223.63

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Solution

The fourth proportional to 12,600.31, 17,389.14 and 7,223.63 is: 9,969.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,600.31 : 17,389.14 = 7,223.63 : x
  2. Step 2: Convert to fraction form
    12,600.31/17,389.14 = 7,223.63/x
  3. Step 3: Cross multiply
    12,600.31x = 17,389.14 × 7,223.63
  4. Step 4: Simplify right side
    12,600.31x = 125,612,677.26
  5. Step 5: Solve for x
    x = 125,612,677.26/12,600.31
  6. Step 6: Final answer
    x = 9,969.02

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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.