Home / 12,526.97-17,289.18-7,223.49

Finding the Fourth Proportional to 12,526.97, 17,289.18 and 7,223.49

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Solution

The fourth proportional to 12,526.97, 17,289.18 and 7,223.49 is: 9,969.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526.97 : 17,289.18 = 7,223.49 : x
  2. Step 2: Convert to fraction form
    12,526.97/17,289.18 = 7,223.49/x
  3. Step 3: Cross multiply
    12,526.97x = 17,289.18 × 7,223.49
  4. Step 4: Simplify right side
    12,526.97x = 124,888,218.84
  5. Step 5: Solve for x
    x = 124,888,218.84/12,526.97
  6. Step 6: Final answer
    x = 9,969.55

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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.