Home / 10,204.12-15,291.60-5,812.51

Finding the Fourth Proportional to 10,204.12, 15,291.60 and 5,812.51

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Solution

The fourth proportional to 10,204.12, 15,291.60 and 5,812.51 is: 8,710.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,204.12 : 15,291.60 = 5,812.51 : x
  2. Step 2: Convert to fraction form
    10,204.12/15,291.60 = 5,812.51/x
  3. Step 3: Cross multiply
    10,204.12x = 15,291.60 × 5,812.51
  4. Step 4: Simplify right side
    10,204.12x = 88,882,577.92
  5. Step 5: Solve for x
    x = 88,882,577.92/10,204.12
  6. Step 6: Final answer
    x = 8,710.46

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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.