Home / 15,975.40-23,963.10-4,289.80

Finding the Fourth Proportional to 15,975.40, 23,963.10 and 4,289.80

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Solution

The fourth proportional to 15,975.40, 23,963.10 and 4,289.80 is: 6,434.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,975.40 : 23,963.10 = 4,289.80 : x
  2. Step 2: Convert to fraction form
    15,975.40/23,963.10 = 4,289.80/x
  3. Step 3: Cross multiply
    15,975.40x = 23,963.10 × 4,289.80
  4. Step 4: Simplify right side
    15,975.40x = 102,796,906.38
  5. Step 5: Solve for x
    x = 102,796,906.38/15,975.40
  6. Step 6: Final answer
    x = 6,434.70

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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.