Home / 17,811.72-26,707.71-7,289.13

Finding the Fourth Proportional to 17,811.72, 26,707.71 and 7,289.13

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Solution

The fourth proportional to 17,811.72, 26,707.71 and 7,289.13 is: 10,929.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,811.72 : 26,707.71 = 7,289.13 : x
  2. Step 2: Convert to fraction form
    17,811.72/26,707.71 = 7,289.13/x
  3. Step 3: Cross multiply
    17,811.72x = 26,707.71 × 7,289.13
  4. Step 4: Simplify right side
    17,811.72x = 194,675,970.19
  5. Step 5: Solve for x
    x = 194,675,970.19/17,811.72
  6. Step 6: Final answer
    x = 10,929.66

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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.