Home / 19,471.32-26,855.55-13,104.72

Finding the Fourth Proportional to 19,471.32, 26,855.55 and 13,104.72

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Solution

The fourth proportional to 19,471.32, 26,855.55 and 13,104.72 is: 18,074.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,471.32 : 26,855.55 = 13,104.72 : x
  2. Step 2: Convert to fraction form
    19,471.32/26,855.55 = 13,104.72/x
  3. Step 3: Cross multiply
    19,471.32x = 26,855.55 × 13,104.72
  4. Step 4: Simplify right side
    19,471.32x = 351,934,463.20
  5. Step 5: Solve for x
    x = 351,934,463.20/19,471.32
  6. Step 6: Final answer
    x = 18,074.50

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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.