Home / 10,014.28-13,818.90-5,765.68

Finding the Fourth Proportional to 10,014.28, 13,818.90 and 5,765.68

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Solution

The fourth proportional to 10,014.28, 13,818.90 and 5,765.68 is: 7,956.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,014.28 : 13,818.90 = 5,765.68 : x
  2. Step 2: Convert to fraction form
    10,014.28/13,818.90 = 5,765.68/x
  3. Step 3: Cross multiply
    10,014.28x = 13,818.90 × 5,765.68
  4. Step 4: Simplify right side
    10,014.28x = 79,675,355.35
  5. Step 5: Solve for x
    x = 79,675,355.35/10,014.28
  6. Step 6: Final answer
    x = 7,956.17

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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.