Home / 9,416.28-12,994.86-5,224.56

Finding the Fourth Proportional to 9,416.28, 12,994.86 and 5,224.56

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Solution

The fourth proportional to 9,416.28, 12,994.86 and 5,224.56 is: 7,210.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,416.28 : 12,994.86 = 5,224.56 : x
  2. Step 2: Convert to fraction form
    9,416.28/12,994.86 = 5,224.56/x
  3. Step 3: Cross multiply
    9,416.28x = 12,994.86 × 5,224.56
  4. Step 4: Simplify right side
    9,416.28x = 67,892,425.76
  5. Step 5: Solve for x
    x = 67,892,425.76/9,416.28
  6. Step 6: Final answer
    x = 7,210.11

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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.