Home / 11,388.71-15,717.80-6,673.00

Finding the Fourth Proportional to 11,388.71, 15,717.80 and 6,673.00

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Solution

The fourth proportional to 11,388.71, 15,717.80 and 6,673.00 is: 9,209.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,388.71 : 15,717.80 = 6,673.00 : x
  2. Step 2: Convert to fraction form
    11,388.71/15,717.80 = 6,673.00/x
  3. Step 3: Cross multiply
    11,388.71x = 15,717.80 × 6,673.00
  4. Step 4: Simplify right side
    11,388.71x = 104,884,767.45
  5. Step 5: Solve for x
    x = 104,884,767.45/11,388.71
  6. Step 6: Final answer
    x = 9,209.54

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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.