Home / 20,350.04-28,082.30-11,852.63

Finding the Fourth Proportional to 20,350.04, 28,082.30 and 11,852.63

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Solution

The fourth proportional to 20,350.04, 28,082.30 and 11,852.63 is: 16,356.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,350.04 : 28,082.30 = 11,852.63 : x
  2. Step 2: Convert to fraction form
    20,350.04/28,082.30 = 11,852.63/x
  3. Step 3: Cross multiply
    20,350.04x = 28,082.30 × 11,852.63
  4. Step 4: Simplify right side
    20,350.04x = 332,849,017.08
  5. Step 5: Solve for x
    x = 332,849,017.08/20,350.04
  6. Step 6: Final answer
    x = 16,356.19

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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.