Home / 19,916.54-27,485.61-10,964.87

Finding the Fourth Proportional to 19,916.54, 27,485.61 and 10,964.87

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Solution

The fourth proportional to 19,916.54, 27,485.61 and 10,964.87 is: 15,131.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,916.54 : 27,485.61 = 10,964.87 : x
  2. Step 2: Convert to fraction form
    19,916.54/27,485.61 = 10,964.87/x
  3. Step 3: Cross multiply
    19,916.54x = 27,485.61 × 10,964.87
  4. Step 4: Simplify right side
    19,916.54x = 301,376,065.05
  5. Step 5: Solve for x
    x = 301,376,065.05/19,916.54
  6. Step 6: Final answer
    x = 15,131.95

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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.