Home / 10,904.58-15,047.76-6,188.76

Finding the Fourth Proportional to 10,904.58, 15,047.76 and 6,188.76

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Solution

The fourth proportional to 10,904.58, 15,047.76 and 6,188.76 is: 8,540.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,904.58 : 15,047.76 = 6,188.76 : x
  2. Step 2: Convert to fraction form
    10,904.58/15,047.76 = 6,188.76/x
  3. Step 3: Cross multiply
    10,904.58x = 15,047.76 × 6,188.76
  4. Step 4: Simplify right side
    10,904.58x = 93,126,975.18
  5. Step 5: Solve for x
    x = 93,126,975.18/10,904.58
  6. Step 6: Final answer
    x = 8,540.17

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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.