Home / 40,209.72-60,316.70-10,626.74

Finding the Fourth Proportional to 40,209.72, 60,316.70 and 10,626.74

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Solution

The fourth proportional to 40,209.72, 60,316.70 and 10,626.74 is: 15,940.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,209.72 : 60,316.70 = 10,626.74 : x
  2. Step 2: Convert to fraction form
    40,209.72/60,316.70 = 10,626.74/x
  3. Step 3: Cross multiply
    40,209.72x = 60,316.70 × 10,626.74
  4. Step 4: Simplify right side
    40,209.72x = 640,970,159.09
  5. Step 5: Solve for x
    x = 640,970,159.09/40,209.72
  6. Step 6: Final answer
    x = 15,940.68

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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.