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Finding the Fourth Proportional to 17,470.31, 26,163.54 and 15,368.96

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Solution

The fourth proportional to 17,470.31, 26,163.54 and 15,368.96 is: 23,016.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,470.31 : 26,163.54 = 15,368.96 : x
  2. Step 2: Convert to fraction form
    17,470.31/26,163.54 = 15,368.96/x
  3. Step 3: Cross multiply
    17,470.31x = 26,163.54 × 15,368.96
  4. Step 4: Simplify right side
    17,470.31x = 402,106,465.13
  5. Step 5: Solve for x
    x = 402,106,465.13/17,470.31
  6. Step 6: Final answer
    x = 23,016.57

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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.