Home / 12,555.95-17,327.06-7,250.64

Finding the Fourth Proportional to 12,555.95, 17,327.06 and 7,250.64

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Solution

The fourth proportional to 12,555.95, 17,327.06 and 7,250.64 is: 10,005.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,555.95 : 17,327.06 = 7,250.64 : x
  2. Step 2: Convert to fraction form
    12,555.95/17,327.06 = 7,250.64/x
  3. Step 3: Cross multiply
    12,555.95x = 17,327.06 × 7,250.64
  4. Step 4: Simplify right side
    12,555.95x = 125,632,238.07
  5. Step 5: Solve for x
    x = 125,632,238.07/12,555.95
  6. Step 6: Final answer
    x = 10,005.80

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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.