Home / 12,804.08-17,666.64-7,767.29

Finding the Fourth Proportional to 12,804.08, 17,666.64 and 7,767.29

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Solution

The fourth proportional to 12,804.08, 17,666.64 and 7,767.29 is: 10,717.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,804.08 : 17,666.64 = 7,767.29 : x
  2. Step 2: Convert to fraction form
    12,804.08/17,666.64 = 7,767.29/x
  3. Step 3: Cross multiply
    12,804.08x = 17,666.64 × 7,767.29
  4. Step 4: Simplify right side
    12,804.08x = 137,221,960.37
  5. Step 5: Solve for x
    x = 137,221,960.37/12,804.08
  6. Step 6: Final answer
    x = 10,717.05

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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.