Home / 12,799.08-17,670.78-9,809.28

Finding the Fourth Proportional to 12,799.08, 17,670.78 and 9,809.28

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Solution

The fourth proportional to 12,799.08, 17,670.78 and 9,809.28 is: 13,542.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,799.08 : 17,670.78 = 9,809.28 : x
  2. Step 2: Convert to fraction form
    12,799.08/17,670.78 = 9,809.28/x
  3. Step 3: Cross multiply
    12,799.08x = 17,670.78 × 9,809.28
  4. Step 4: Simplify right side
    12,799.08x = 173,337,628.84
  5. Step 5: Solve for x
    x = 173,337,628.84/12,799.08
  6. Step 6: Final answer
    x = 13,542.98

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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.