Home / 10,277.25-14,169.69-8,386.92

Finding the Fourth Proportional to 10,277.25, 14,169.69 and 8,386.92

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Solution

The fourth proportional to 10,277.25, 14,169.69 and 8,386.92 is: 11,563.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,277.25 : 14,169.69 = 8,386.92 : x
  2. Step 2: Convert to fraction form
    10,277.25/14,169.69 = 8,386.92/x
  3. Step 3: Cross multiply
    10,277.25x = 14,169.69 × 8,386.92
  4. Step 4: Simplify right side
    10,277.25x = 118,840,056.45
  5. Step 5: Solve for x
    x = 118,840,056.45/10,277.25
  6. Step 6: Final answer
    x = 11,563.41

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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.