Home / 12,869.95-17,759.24-7,204.33

Finding the Fourth Proportional to 12,869.95, 17,759.24 and 7,204.33

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Solution

The fourth proportional to 12,869.95, 17,759.24 and 7,204.33 is: 9,941.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,869.95 : 17,759.24 = 7,204.33 : x
  2. Step 2: Convert to fraction form
    12,869.95/17,759.24 = 7,204.33/x
  3. Step 3: Cross multiply
    12,869.95x = 17,759.24 × 7,204.33
  4. Step 4: Simplify right side
    12,869.95x = 127,943,389.49
  5. Step 5: Solve for x
    x = 127,943,389.49/12,869.95
  6. Step 6: Final answer
    x = 9,941.25

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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.