Home / 12,260.55-16,919.88-6,956.16

Finding the Fourth Proportional to 12,260.55, 16,919.88 and 6,956.16

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Solution

The fourth proportional to 12,260.55, 16,919.88 and 6,956.16 is: 9,599.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260.55 : 16,919.88 = 6,956.16 : x
  2. Step 2: Convert to fraction form
    12,260.55/16,919.88 = 6,956.16/x
  3. Step 3: Cross multiply
    12,260.55x = 16,919.88 × 6,956.16
  4. Step 4: Simplify right side
    12,260.55x = 117,697,392.46
  5. Step 5: Solve for x
    x = 117,697,392.46/12,260.55
  6. Step 6: Final answer
    x = 9,599.68

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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.