Home / 10,904.12-15,047.88-6,187.90

Finding the Fourth Proportional to 10,904.12, 15,047.88 and 6,187.90

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Solution

The fourth proportional to 10,904.12, 15,047.88 and 6,187.90 is: 8,539.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,904.12 : 15,047.88 = 6,187.90 : x
  2. Step 2: Convert to fraction form
    10,904.12/15,047.88 = 6,187.90/x
  3. Step 3: Cross multiply
    10,904.12x = 15,047.88 × 6,187.90
  4. Step 4: Simplify right side
    10,904.12x = 93,114,701.41
  5. Step 5: Solve for x
    x = 93,114,701.41/10,904.12
  6. Step 6: Final answer
    x = 8,539.41

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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.