Home / 15,728.63-23,596.59-5,340.38

Finding the Fourth Proportional to 15,728.63, 23,596.59 and 5,340.38

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Solution

The fourth proportional to 15,728.63, 23,596.59 and 5,340.38 is: 8,011.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,728.63 : 23,596.59 = 5,340.38 : x
  2. Step 2: Convert to fraction form
    15,728.63/23,596.59 = 5,340.38/x
  3. Step 3: Cross multiply
    15,728.63x = 23,596.59 × 5,340.38
  4. Step 4: Simplify right side
    15,728.63x = 126,014,612.62
  5. Step 5: Solve for x
    x = 126,014,612.62/15,728.63
  6. Step 6: Final answer
    x = 8,011.80

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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.