Home / 16,918.77-23,350.36-9,747.29

Finding the Fourth Proportional to 16,918.77, 23,350.36 and 9,747.29

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Solution

The fourth proportional to 16,918.77, 23,350.36 and 9,747.29 is: 13,452.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,918.77 : 23,350.36 = 9,747.29 : x
  2. Step 2: Convert to fraction form
    16,918.77/23,350.36 = 9,747.29/x
  3. Step 3: Cross multiply
    16,918.77x = 23,350.36 × 9,747.29
  4. Step 4: Simplify right side
    16,918.77x = 227,602,624.05
  5. Step 5: Solve for x
    x = 227,602,624.05/16,918.77
  6. Step 6: Final answer
    x = 13,452.67

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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.