Home / 21,104.48-29,124.37-11,544.18

Finding the Fourth Proportional to 21,104.48, 29,124.37 and 11,544.18

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Solution

The fourth proportional to 21,104.48, 29,124.37 and 11,544.18 is: 15,931.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,104.48 : 29,124.37 = 11,544.18 : x
  2. Step 2: Convert to fraction form
    21,104.48/29,124.37 = 11,544.18/x
  3. Step 3: Cross multiply
    21,104.48x = 29,124.37 × 11,544.18
  4. Step 4: Simplify right side
    21,104.48x = 336,216,969.67
  5. Step 5: Solve for x
    x = 336,216,969.67/21,104.48
  6. Step 6: Final answer
    x = 15,931.07

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Double scale
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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.