Home / 10,905.44-15,045.36-6,187.36

Finding the Fourth Proportional to 10,905.44, 15,045.36 and 6,187.36

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Solution

The fourth proportional to 10,905.44, 15,045.36 and 6,187.36 is: 8,536.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,905.44 : 15,045.36 = 6,187.36 : x
  2. Step 2: Convert to fraction form
    10,905.44/15,045.36 = 6,187.36/x
  3. Step 3: Cross multiply
    10,905.44x = 15,045.36 × 6,187.36
  4. Step 4: Simplify right side
    10,905.44x = 93,091,058.65
  5. Step 5: Solve for x
    x = 93,091,058.65/10,905.44
  6. Step 6: Final answer
    x = 8,536.20

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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.