Home / 19,088.28-26,338.94-10,911.29

Finding the Fourth Proportional to 19,088.28, 26,338.94 and 10,911.29

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Solution

The fourth proportional to 19,088.28, 26,338.94 and 10,911.29 is: 15,055.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,088.28 : 26,338.94 = 10,911.29 : x
  2. Step 2: Convert to fraction form
    19,088.28/26,338.94 = 10,911.29/x
  3. Step 3: Cross multiply
    19,088.28x = 26,338.94 × 10,911.29
  4. Step 4: Simplify right side
    19,088.28x = 287,391,812.63
  5. Step 5: Solve for x
    x = 287,391,812.63/19,088.28
  6. Step 6: Final answer
    x = 15,055.93

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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.