Home / 17,370.40-23,971.05-9,819.18

Finding the Fourth Proportional to 17,370.40, 23,971.05 and 9,819.18

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Solution

The fourth proportional to 17,370.40, 23,971.05 and 9,819.18 is: 13,550.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,370.40 : 23,971.05 = 9,819.18 : x
  2. Step 2: Convert to fraction form
    17,370.40/23,971.05 = 9,819.18/x
  3. Step 3: Cross multiply
    17,370.40x = 23,971.05 × 9,819.18
  4. Step 4: Simplify right side
    17,370.40x = 235,376,054.74
  5. Step 5: Solve for x
    x = 235,376,054.74/17,370.40
  6. Step 6: Final answer
    x = 13,550.41

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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.