Home / 10,287.36-14,200.50-6,313.86

Finding the Fourth Proportional to 10,287.36, 14,200.50 and 6,313.86

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Solution

The fourth proportional to 10,287.36, 14,200.50 and 6,313.86 is: 8,715.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,287.36 : 14,200.50 = 6,313.86 : x
  2. Step 2: Convert to fraction form
    10,287.36/14,200.50 = 6,313.86/x
  3. Step 3: Cross multiply
    10,287.36x = 14,200.50 × 6,313.86
  4. Step 4: Simplify right side
    10,287.36x = 89,659,968.93
  5. Step 5: Solve for x
    x = 89,659,968.93/10,287.36
  6. Step 6: Final answer
    x = 8,715.55

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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.