Home / 17,430.68-26,138.02-5,582.15

Finding the Fourth Proportional to 17,430.68, 26,138.02 and 5,582.15

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Solution

The fourth proportional to 17,430.68, 26,138.02 and 5,582.15 is: 8,370.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,430.68 : 26,138.02 = 5,582.15 : x
  2. Step 2: Convert to fraction form
    17,430.68/26,138.02 = 5,582.15/x
  3. Step 3: Cross multiply
    17,430.68x = 26,138.02 × 5,582.15
  4. Step 4: Simplify right side
    17,430.68x = 145,906,348.34
  5. Step 5: Solve for x
    x = 145,906,348.34/17,430.68
  6. Step 6: Final answer
    x = 8,370.66

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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.