Home / 13,287.36-19,931.10-5,496.42

Finding the Fourth Proportional to 13,287.36, 19,931.10 and 5,496.42

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Solution

The fourth proportional to 13,287.36, 19,931.10 and 5,496.42 is: 8,244.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287.36 : 19,931.10 = 5,496.42 : x
  2. Step 2: Convert to fraction form
    13,287.36/19,931.10 = 5,496.42/x
  3. Step 3: Cross multiply
    13,287.36x = 19,931.10 × 5,496.42
  4. Step 4: Simplify right side
    13,287.36x = 109,549,696.66
  5. Step 5: Solve for x
    x = 109,549,696.66/13,287.36
  6. Step 6: Final answer
    x = 8,244.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.