Home / 19,488.28-26,887.26-11,098.84

Finding the Fourth Proportional to 19,488.28, 26,887.26 and 11,098.84

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Solution

The fourth proportional to 19,488.28, 26,887.26 and 11,098.84 is: 15,312.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,488.28 : 26,887.26 = 11,098.84 : x
  2. Step 2: Convert to fraction form
    19,488.28/26,887.26 = 11,098.84/x
  3. Step 3: Cross multiply
    19,488.28x = 26,887.26 × 11,098.84
  4. Step 4: Simplify right side
    19,488.28x = 298,417,396.78
  5. Step 5: Solve for x
    x = 298,417,396.78/19,488.28
  6. Step 6: Final answer
    x = 15,312.66

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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.