Home / 10,903.75-15,048.39-6,189.55

Finding the Fourth Proportional to 10,903.75, 15,048.39 and 6,189.55

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Solution

The fourth proportional to 10,903.75, 15,048.39 and 6,189.55 is: 8,542.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,903.75 : 15,048.39 = 6,189.55 : x
  2. Step 2: Convert to fraction form
    10,903.75/15,048.39 = 6,189.55/x
  3. Step 3: Cross multiply
    10,903.75x = 15,048.39 × 6,189.55
  4. Step 4: Simplify right side
    10,903.75x = 93,142,762.32
  5. Step 5: Solve for x
    x = 93,142,762.32/10,903.75
  6. Step 6: Final answer
    x = 8,542.27

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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.