Home / 15,986.07-22,060.95-8,816.25

Finding the Fourth Proportional to 15,986.07, 22,060.95 and 8,816.25

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Solution

The fourth proportional to 15,986.07, 22,060.95 and 8,816.25 is: 12,166.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,986.07 : 22,060.95 = 8,816.25 : x
  2. Step 2: Convert to fraction form
    15,986.07/22,060.95 = 8,816.25/x
  3. Step 3: Cross multiply
    15,986.07x = 22,060.95 × 8,816.25
  4. Step 4: Simplify right side
    15,986.07x = 194,494,734.65
  5. Step 5: Solve for x
    x = 194,494,734.65/15,986.07
  6. Step 6: Final answer
    x = 12,166.51

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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.