Home / 11,353.06-15,666.49-6,317.09

Finding the Fourth Proportional to 11,353.06, 15,666.49 and 6,317.09

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Solution

The fourth proportional to 11,353.06, 15,666.49 and 6,317.09 is: 8,717.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,353.06 : 15,666.49 = 6,317.09 : x
  2. Step 2: Convert to fraction form
    11,353.06/15,666.49 = 6,317.09/x
  3. Step 3: Cross multiply
    11,353.06x = 15,666.49 × 6,317.09
  4. Step 4: Simplify right side
    11,353.06x = 98,966,627.31
  5. Step 5: Solve for x
    x = 98,966,627.31/11,353.06
  6. Step 6: Final answer
    x = 8,717.18

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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.