Home / 10,804.45-14,909.79-6,612.70

Finding the Fourth Proportional to 10,804.45, 14,909.79 and 6,612.70

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Solution

The fourth proportional to 10,804.45, 14,909.79 and 6,612.70 is: 9,125.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,804.45 : 14,909.79 = 6,612.70 : x
  2. Step 2: Convert to fraction form
    10,804.45/14,909.79 = 6,612.70/x
  3. Step 3: Cross multiply
    10,804.45x = 14,909.79 × 6,612.70
  4. Step 4: Simplify right side
    10,804.45x = 98,593,968.33
  5. Step 5: Solve for x
    x = 98,593,968.33/10,804.45
  6. Step 6: Final answer
    x = 9,125.31

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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.