Home / 12,386.36-17,093.13-6,721.13

Finding the Fourth Proportional to 12,386.36, 17,093.13 and 6,721.13

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Solution

The fourth proportional to 12,386.36, 17,093.13 and 6,721.13 is: 9,275.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,386.36 : 17,093.13 = 6,721.13 : x
  2. Step 2: Convert to fraction form
    12,386.36/17,093.13 = 6,721.13/x
  3. Step 3: Cross multiply
    12,386.36x = 17,093.13 × 6,721.13
  4. Step 4: Simplify right side
    12,386.36x = 114,885,148.84
  5. Step 5: Solve for x
    x = 114,885,148.84/12,386.36
  6. Step 6: Final answer
    x = 9,275.13

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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.