Home / 19,280.79-26,606.19-10,896.75

Finding the Fourth Proportional to 19,280.79, 26,606.19 and 10,896.75

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Solution

The fourth proportional to 19,280.79, 26,606.19 and 10,896.75 is: 15,036.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,280.79 : 26,606.19 = 10,896.75 : x
  2. Step 2: Convert to fraction form
    19,280.79/26,606.19 = 10,896.75/x
  3. Step 3: Cross multiply
    19,280.79x = 26,606.19 × 10,896.75
  4. Step 4: Simplify right side
    19,280.79x = 289,921,000.88
  5. Step 5: Solve for x
    x = 289,921,000.88/19,280.79
  6. Step 6: Final answer
    x = 15,036.78

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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.