Home / 19,869.14-27,419.39-10,916.62

Finding the Fourth Proportional to 19,869.14, 27,419.39 and 10,916.62

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Solution

The fourth proportional to 19,869.14, 27,419.39 and 10,916.62 is: 15,064.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,869.14 : 27,419.39 = 10,916.62 : x
  2. Step 2: Convert to fraction form
    19,869.14/27,419.39 = 10,916.62/x
  3. Step 3: Cross multiply
    19,869.14x = 27,419.39 × 10,916.62
  4. Step 4: Simplify right side
    19,869.14x = 299,327,194.71
  5. Step 5: Solve for x
    x = 299,327,194.71/19,869.14
  6. Step 6: Final answer
    x = 15,064.93

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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.