Home / 19,479.20-26,881.29-11,097.32

Finding the Fourth Proportional to 19,479.20, 26,881.29 and 11,097.32

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Solution

The fourth proportional to 19,479.20, 26,881.29 and 11,097.32 is: 15,314.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,479.20 : 26,881.29 = 11,097.32 : x
  2. Step 2: Convert to fraction form
    19,479.20/26,881.29 = 11,097.32/x
  3. Step 3: Cross multiply
    19,479.20x = 26,881.29 × 11,097.32
  4. Step 4: Simplify right side
    19,479.20x = 298,310,142.74
  5. Step 5: Solve for x
    x = 298,310,142.74/19,479.20
  6. Step 6: Final answer
    x = 15,314.30

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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.