Home / 9,009.27-12,432.20-4,975.94

Finding the Fourth Proportional to 9,009.27, 12,432.20 and 4,975.94

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Solution

The fourth proportional to 9,009.27, 12,432.20 and 4,975.94 is: 6,866.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,009.27 : 12,432.20 = 4,975.94 : x
  2. Step 2: Convert to fraction form
    9,009.27/12,432.20 = 4,975.94/x
  3. Step 3: Cross multiply
    9,009.27x = 12,432.20 × 4,975.94
  4. Step 4: Simplify right side
    9,009.27x = 61,861,794.23
  5. Step 5: Solve for x
    x = 61,861,794.23/9,009.27
  6. Step 6: Final answer
    x = 6,866.46

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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.