Home / 15,065.80-20,777.25-10,283.56

Finding the Fourth Proportional to 15,065.80, 20,777.25 and 10,283.56

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Solution

The fourth proportional to 15,065.80, 20,777.25 and 10,283.56 is: 14,182.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,065.80 : 20,777.25 = 10,283.56 : x
  2. Step 2: Convert to fraction form
    15,065.80/20,777.25 = 10,283.56/x
  3. Step 3: Cross multiply
    15,065.80x = 20,777.25 × 10,283.56
  4. Step 4: Simplify right side
    15,065.80x = 213,664,097.01
  5. Step 5: Solve for x
    x = 213,664,097.01/15,065.80
  6. Step 6: Final answer
    x = 14,182.06

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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.