Home / 10,435.03-15,618.67-7,661.08

Finding the Fourth Proportional to 10,435.03, 15,618.67 and 7,661.08

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Solution

The fourth proportional to 10,435.03, 15,618.67 and 7,661.08 is: 11,466.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,435.03 : 15,618.67 = 7,661.08 : x
  2. Step 2: Convert to fraction form
    10,435.03/15,618.67 = 7,661.08/x
  3. Step 3: Cross multiply
    10,435.03x = 15,618.67 × 7,661.08
  4. Step 4: Simplify right side
    10,435.03x = 119,655,880.36
  5. Step 5: Solve for x
    x = 119,655,880.36/10,435.03
  6. Step 6: Final answer
    x = 11,466.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.