Home / 15,373.97-21,215.00-9,085.13

Finding the Fourth Proportional to 15,373.97, 21,215.00 and 9,085.13

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Solution

The fourth proportional to 15,373.97, 21,215.00 and 9,085.13 is: 12,536.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,373.97 : 21,215.00 = 9,085.13 : x
  2. Step 2: Convert to fraction form
    15,373.97/21,215.00 = 9,085.13/x
  3. Step 3: Cross multiply
    15,373.97x = 21,215.00 × 9,085.13
  4. Step 4: Simplify right side
    15,373.97x = 192,740,949.59
  5. Step 5: Solve for x
    x = 192,740,949.59/15,373.97
  6. Step 6: Final answer
    x = 12,536.84

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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.