Home / 12,844.71-17,715.96-11,055.15

Finding the Fourth Proportional to 12,844.71, 17,715.96 and 11,055.15

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Solution

The fourth proportional to 12,844.71, 17,715.96 and 11,055.15 is: 15,247.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,844.71 : 17,715.96 = 11,055.15 : x
  2. Step 2: Convert to fraction form
    12,844.71/17,715.96 = 11,055.15/x
  3. Step 3: Cross multiply
    12,844.71x = 17,715.96 × 11,055.15
  4. Step 4: Simplify right side
    12,844.71x = 195,852,595.19
  5. Step 5: Solve for x
    x = 195,852,595.19/12,844.71
  6. Step 6: Final answer
    x = 15,247.72

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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.