Home / 15,572.57-21,490.14-11,104.10

Finding the Fourth Proportional to 15,572.57, 21,490.14 and 11,104.10

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Solution

The fourth proportional to 15,572.57, 21,490.14 and 11,104.10 is: 15,323.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,572.57 : 21,490.14 = 11,104.10 : x
  2. Step 2: Convert to fraction form
    15,572.57/21,490.14 = 11,104.10/x
  3. Step 3: Cross multiply
    15,572.57x = 21,490.14 × 11,104.10
  4. Step 4: Simplify right side
    15,572.57x = 238,628,556.12
  5. Step 5: Solve for x
    x = 238,628,556.12/15,572.57
  6. Step 6: Final answer
    x = 15,323.65

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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.