Home / 10,440.15-15,639.34-6,277.86

Finding the Fourth Proportional to 10,440.15, 15,639.34 and 6,277.86

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Solution

The fourth proportional to 10,440.15, 15,639.34 and 6,277.86 is: 9,404.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440.15 : 15,639.34 = 6,277.86 : x
  2. Step 2: Convert to fraction form
    10,440.15/15,639.34 = 6,277.86/x
  3. Step 3: Cross multiply
    10,440.15x = 15,639.34 × 6,277.86
  4. Step 4: Simplify right side
    10,440.15x = 98,181,571.32
  5. Step 5: Solve for x
    x = 98,181,571.32/10,440.15
  6. Step 6: Final answer
    x = 9,404.23

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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.