Home / 19,165.29-26,451.74-10,781.79

Finding the Fourth Proportional to 19,165.29, 26,451.74 and 10,781.79

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Solution

The fourth proportional to 19,165.29, 26,451.74 and 10,781.79 is: 14,880.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,165.29 : 26,451.74 = 10,781.79 : x
  2. Step 2: Convert to fraction form
    19,165.29/26,451.74 = 10,781.79/x
  3. Step 3: Cross multiply
    19,165.29x = 26,451.74 × 10,781.79
  4. Step 4: Simplify right side
    19,165.29x = 285,197,105.81
  5. Step 5: Solve for x
    x = 285,197,105.81/19,165.29
  6. Step 6: Final answer
    x = 14,880.92

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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.