Home / 10,802.92-16,207.74-9,171.40

Finding the Fourth Proportional to 10,802.92, 16,207.74 and 9,171.40

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Solution

The fourth proportional to 10,802.92, 16,207.74 and 9,171.40 is: 13,759.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,802.92 : 16,207.74 = 9,171.40 : x
  2. Step 2: Convert to fraction form
    10,802.92/16,207.74 = 9,171.40/x
  3. Step 3: Cross multiply
    10,802.92x = 16,207.74 × 9,171.40
  4. Step 4: Simplify right side
    10,802.92x = 148,647,666.64
  5. Step 5: Solve for x
    x = 148,647,666.64/10,802.92
  6. Step 6: Final answer
    x = 13,759.95

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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.