Home / 15,823.25-21,816.24-10,147.98

Finding the Fourth Proportional to 15,823.25, 21,816.24 and 10,147.98

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Solution

The fourth proportional to 15,823.25, 21,816.24 and 10,147.98 is: 13,991.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,823.25 : 21,816.24 = 10,147.98 : x
  2. Step 2: Convert to fraction form
    15,823.25/21,816.24 = 10,147.98/x
  3. Step 3: Cross multiply
    15,823.25x = 21,816.24 × 10,147.98
  4. Step 4: Simplify right side
    15,823.25x = 221,390,810.95
  5. Step 5: Solve for x
    x = 221,390,810.95/15,823.25
  6. Step 6: Final answer
    x = 13,991.49

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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.