Home / 12,302.31-18,444.56-4,799.51

Finding the Fourth Proportional to 12,302.31, 18,444.56 and 4,799.51

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Solution

The fourth proportional to 12,302.31, 18,444.56 and 4,799.51 is: 7,195.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302.31 : 18,444.56 = 4,799.51 : x
  2. Step 2: Convert to fraction form
    12,302.31/18,444.56 = 4,799.51/x
  3. Step 3: Cross multiply
    12,302.31x = 18,444.56 × 4,799.51
  4. Step 4: Simplify right side
    12,302.31x = 88,524,908.28
  5. Step 5: Solve for x
    x = 88,524,908.28/12,302.31
  6. Step 6: Final answer
    x = 7,195.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.