Home / 17,203.35-23,742-10,131.15

Finding the Fourth Proportional to 17,203.35, 23,742 and 10,131.15

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Solution

The fourth proportional to 17,203.35, 23,742 and 10,131.15 is: 13,981.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,203.35 : 23,742 = 10,131.15 : x
  2. Step 2: Convert to fraction form
    17,203.35/23,742 = 10,131.15/x
  3. Step 3: Cross multiply
    17,203.35x = 23,742 × 10,131.15
  4. Step 4: Simplify right side
    17,203.35x = 240,533,763.30
  5. Step 5: Solve for x
    x = 240,533,763.30/17,203.35
  6. Step 6: Final answer
    x = 13,981.80

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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.