Home / 19,165.28-26,440.29-12,087.56

Finding the Fourth Proportional to 19,165.28, 26,440.29 and 12,087.56

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Solution

The fourth proportional to 19,165.28, 26,440.29 and 12,087.56 is: 16,675.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,165.28 : 26,440.29 = 12,087.56 : x
  2. Step 2: Convert to fraction form
    19,165.28/26,440.29 = 12,087.56/x
  3. Step 3: Cross multiply
    19,165.28x = 26,440.29 × 12,087.56
  4. Step 4: Simplify right side
    19,165.28x = 319,598,657.89
  5. Step 5: Solve for x
    x = 319,598,657.89/19,165.28
  6. Step 6: Final answer
    x = 16,675.92

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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.