Home / 10,320.60-14,242.38-5,604.84

Finding the Fourth Proportional to 10,320.60, 14,242.38 and 5,604.84

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Solution

The fourth proportional to 10,320.60, 14,242.38 and 5,604.84 is: 7,734.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320.60 : 14,242.38 = 5,604.84 : x
  2. Step 2: Convert to fraction form
    10,320.60/14,242.38 = 5,604.84/x
  3. Step 3: Cross multiply
    10,320.60x = 14,242.38 × 5,604.84
  4. Step 4: Simplify right side
    10,320.60x = 79,826,261.12
  5. Step 5: Solve for x
    x = 79,826,261.12/10,320.60
  6. Step 6: Final answer
    x = 7,734.65

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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.