Home / 18,916.03-26,104.12-10,962.87

Finding the Fourth Proportional to 18,916.03, 26,104.12 and 10,962.87

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Solution

The fourth proportional to 18,916.03, 26,104.12 and 10,962.87 is: 15,128.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,916.03 : 26,104.12 = 10,962.87 : x
  2. Step 2: Convert to fraction form
    18,916.03/26,104.12 = 10,962.87/x
  3. Step 3: Cross multiply
    18,916.03x = 26,104.12 × 10,962.87
  4. Step 4: Simplify right side
    18,916.03x = 286,176,083.81
  5. Step 5: Solve for x
    x = 286,176,083.81/18,916.03
  6. Step 6: Final answer
    x = 15,128.76

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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.