Home / 12,110.64-16,719.84-9,272.88

Finding the Fourth Proportional to 12,110.64, 16,719.84 and 9,272.88

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Solution

The fourth proportional to 12,110.64, 16,719.84 and 9,272.88 is: 12,802.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110.64 : 16,719.84 = 9,272.88 : x
  2. Step 2: Convert to fraction form
    12,110.64/16,719.84 = 9,272.88/x
  3. Step 3: Cross multiply
    12,110.64x = 16,719.84 × 9,272.88
  4. Step 4: Simplify right side
    12,110.64x = 155,041,069.94
  5. Step 5: Solve for x
    x = 155,041,069.94/12,110.64
  6. Step 6: Final answer
    x = 12,802.05

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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.