Home / 15,834.07-21,851.33-8,760.95

Finding the Fourth Proportional to 15,834.07, 21,851.33 and 8,760.95

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Solution

The fourth proportional to 15,834.07, 21,851.33 and 8,760.95 is: 12,090.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,834.07 : 21,851.33 = 8,760.95 : x
  2. Step 2: Convert to fraction form
    15,834.07/21,851.33 = 8,760.95/x
  3. Step 3: Cross multiply
    15,834.07x = 21,851.33 × 8,760.95
  4. Step 4: Simplify right side
    15,834.07x = 191,438,409.56
  5. Step 5: Solve for x
    x = 191,438,409.56/15,834.07
  6. Step 6: Final answer
    x = 12,090.28

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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.