Home / 10,903.61-15,047.75-6,188.19

Finding the Fourth Proportional to 10,903.61, 15,047.75 and 6,188.19

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Solution

The fourth proportional to 10,903.61, 15,047.75 and 6,188.19 is: 8,540.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,903.61 : 15,047.75 = 6,188.19 : x
  2. Step 2: Convert to fraction form
    10,903.61/15,047.75 = 6,188.19/x
  3. Step 3: Cross multiply
    10,903.61x = 15,047.75 × 6,188.19
  4. Step 4: Simplify right side
    10,903.61x = 93,118,351.54
  5. Step 5: Solve for x
    x = 93,118,351.54/10,903.61
  6. Step 6: Final answer
    x = 8,540.14

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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.