Home / 20,237.04-30,309.72-10,860.72

Finding the Fourth Proportional to 20,237.04, 30,309.72 and 10,860.72

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Solution

The fourth proportional to 20,237.04, 30,309.72 and 10,860.72 is: 16,266.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,237.04 : 30,309.72 = 10,860.72 : x
  2. Step 2: Convert to fraction form
    20,237.04/30,309.72 = 10,860.72/x
  3. Step 3: Cross multiply
    20,237.04x = 30,309.72 × 10,860.72
  4. Step 4: Simplify right side
    20,237.04x = 329,185,382.20
  5. Step 5: Solve for x
    x = 329,185,382.20/20,237.04
  6. Step 6: Final answer
    x = 16,266.48

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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.