Home / 11,389.03-15,718.23-6,673.31

Finding the Fourth Proportional to 11,389.03, 15,718.23 and 6,673.31

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Solution

The fourth proportional to 11,389.03, 15,718.23 and 6,673.31 is: 9,209.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,389.03 : 15,718.23 = 6,673.31 : x
  2. Step 2: Convert to fraction form
    11,389.03/15,718.23 = 6,673.31/x
  3. Step 3: Cross multiply
    11,389.03x = 15,718.23 × 6,673.31
  4. Step 4: Simplify right side
    11,389.03x = 104,892,588.07
  5. Step 5: Solve for x
    x = 104,892,588.07/11,389.03
  6. Step 6: Final answer
    x = 9,209.97

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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.