Home / 19,487.16-26,892.54-11,103.48

Finding the Fourth Proportional to 19,487.16, 26,892.54 and 11,103.48

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Solution

The fourth proportional to 19,487.16, 26,892.54 and 11,103.48 is: 15,322.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,487.16 : 26,892.54 = 11,103.48 : x
  2. Step 2: Convert to fraction form
    19,487.16/26,892.54 = 11,103.48/x
  3. Step 3: Cross multiply
    19,487.16x = 26,892.54 × 11,103.48
  4. Step 4: Simplify right side
    19,487.16x = 298,600,780.04
  5. Step 5: Solve for x
    x = 298,600,780.04/19,487.16
  6. Step 6: Final answer
    x = 15,322.95

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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.