Home / 15,252.96-21,044.41-10,209.19

Finding the Fourth Proportional to 15,252.96, 21,044.41 and 10,209.19

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Solution

The fourth proportional to 15,252.96, 21,044.41 and 10,209.19 is: 14,085.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,252.96 : 21,044.41 = 10,209.19 : x
  2. Step 2: Convert to fraction form
    15,252.96/21,044.41 = 10,209.19/x
  3. Step 3: Cross multiply
    15,252.96x = 21,044.41 × 10,209.19
  4. Step 4: Simplify right side
    15,252.96x = 214,846,341.45
  5. Step 5: Solve for x
    x = 214,846,341.45/15,252.96
  6. Step 6: Final answer
    x = 14,085.55

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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.