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Finding the Fourth Proportional to 15,252, 21,033.36 and 9,950.88

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Solution

The fourth proportional to 15,252, 21,033.36 and 9,950.88 is: 13,722.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,252 : 21,033.36 = 9,950.88 : x
  2. Step 2: Convert to fraction form
    15,252/21,033.36 = 9,950.88/x
  3. Step 3: Cross multiply
    15,252x = 21,033.36 × 9,950.88
  4. Step 4: Simplify right side
    15,252x = 209,300,441.36
  5. Step 5: Solve for x
    x = 209,300,441.36/15,252
  6. Step 6: Final answer
    x = 13,722.82

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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.