Home / 15,645.29-23,440.49-13,029.63

Finding the Fourth Proportional to 15,645.29, 23,440.49 and 13,029.63

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Solution

The fourth proportional to 15,645.29, 23,440.49 and 13,029.63 is: 19,521.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,645.29 : 23,440.49 = 13,029.63 : x
  2. Step 2: Convert to fraction form
    15,645.29/23,440.49 = 13,029.63/x
  3. Step 3: Cross multiply
    15,645.29x = 23,440.49 × 13,029.63
  4. Step 4: Simplify right side
    15,645.29x = 305,420,846.57
  5. Step 5: Solve for x
    x = 305,420,846.57/15,645.29
  6. Step 6: Final answer
    x = 19,521.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.