Home / 19,876.41-27,429.78-10,924.74

Finding the Fourth Proportional to 19,876.41, 27,429.78 and 10,924.74

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Solution

The fourth proportional to 19,876.41, 27,429.78 and 10,924.74 is: 15,076.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,876.41 : 27,429.78 = 10,924.74 : x
  2. Step 2: Convert to fraction form
    19,876.41/27,429.78 = 10,924.74/x
  3. Step 3: Cross multiply
    19,876.41x = 27,429.78 × 10,924.74
  4. Step 4: Simplify right side
    19,876.41x = 299,663,214.76
  5. Step 5: Solve for x
    x = 299,663,214.76/19,876.41
  6. Step 6: Final answer
    x = 15,076.32

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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.