Home / 18,434.89-27,617.64-10,916.20

Finding the Fourth Proportional to 18,434.89, 27,617.64 and 10,916.20

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Solution

The fourth proportional to 18,434.89, 27,617.64 and 10,916.20 is: 16,353.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,434.89 : 27,617.64 = 10,916.20 : x
  2. Step 2: Convert to fraction form
    18,434.89/27,617.64 = 10,916.20/x
  3. Step 3: Cross multiply
    18,434.89x = 27,617.64 × 10,916.20
  4. Step 4: Simplify right side
    18,434.89x = 301,479,681.77
  5. Step 5: Solve for x
    x = 301,479,681.77/18,434.89
  6. Step 6: Final answer
    x = 16,353.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.