Home / 10,772.36-16,158.70-7,098.12

Finding the Fourth Proportional to 10,772.36, 16,158.70 and 7,098.12

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Solution

The fourth proportional to 10,772.36, 16,158.70 and 7,098.12 is: 10,647.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,772.36 : 16,158.70 = 7,098.12 : x
  2. Step 2: Convert to fraction form
    10,772.36/16,158.70 = 7,098.12/x
  3. Step 3: Cross multiply
    10,772.36x = 16,158.70 × 7,098.12
  4. Step 4: Simplify right side
    10,772.36x = 114,696,391.64
  5. Step 5: Solve for x
    x = 114,696,391.64/10,772.36
  6. Step 6: Final answer
    x = 10,647.29

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1.5x scale

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.