Home / 11,387.34-15,716.09-6,673.50

Finding the Fourth Proportional to 11,387.34, 15,716.09 and 6,673.50

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Solution

The fourth proportional to 11,387.34, 15,716.09 and 6,673.50 is: 9,210.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,387.34 : 15,716.09 = 6,673.50 : x
  2. Step 2: Convert to fraction form
    11,387.34/15,716.09 = 6,673.50/x
  3. Step 3: Cross multiply
    11,387.34x = 15,716.09 × 6,673.50
  4. Step 4: Simplify right side
    11,387.34x = 104,881,326.62
  5. Step 5: Solve for x
    x = 104,881,326.62/11,387.34
  6. Step 6: Final answer
    x = 9,210.34

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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.