Home / 11,309.13-15,606.59-6,274.13

Finding the Fourth Proportional to 11,309.13, 15,606.59 and 6,274.13

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Solution

The fourth proportional to 11,309.13, 15,606.59 and 6,274.13 is: 8,658.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.13 : 15,606.59 = 6,274.13 : x
  2. Step 2: Convert to fraction form
    11,309.13/15,606.59 = 6,274.13/x
  3. Step 3: Cross multiply
    11,309.13x = 15,606.59 × 6,274.13
  4. Step 4: Simplify right side
    11,309.13x = 97,917,665.11
  5. Step 5: Solve for x
    x = 97,917,665.11/11,309.13
  6. Step 6: Final answer
    x = 8,658.28

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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.