Home / 9,942.13-14,915-4,095.55

Finding the Fourth Proportional to 9,942.13, 14,915 and 4,095.55

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Solution

The fourth proportional to 9,942.13, 14,915 and 4,095.55 is: 6,144.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,942.13 : 14,915 = 4,095.55 : x
  2. Step 2: Convert to fraction form
    9,942.13/14,915 = 4,095.55/x
  3. Step 3: Cross multiply
    9,942.13x = 14,915 × 4,095.55
  4. Step 4: Simplify right side
    9,942.13x = 61,085,128.25
  5. Step 5: Solve for x
    x = 61,085,128.25/9,942.13
  6. Step 6: Final answer
    x = 6,144.07

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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.