Home / 10,287.75-14,200.34-6,561.75

Finding the Fourth Proportional to 10,287.75, 14,200.34 and 6,561.75

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Solution

The fourth proportional to 10,287.75, 14,200.34 and 6,561.75 is: 9,057.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,287.75 : 14,200.34 = 6,561.75 : x
  2. Step 2: Convert to fraction form
    10,287.75/14,200.34 = 6,561.75/x
  3. Step 3: Cross multiply
    10,287.75x = 14,200.34 × 6,561.75
  4. Step 4: Simplify right side
    10,287.75x = 93,179,048.19
  5. Step 5: Solve for x
    x = 93,179,048.19/10,287.75
  6. Step 6: Final answer
    x = 9,057.28

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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.