Home / 11,349.18-15,661.63-6,313.29

Finding the Fourth Proportional to 11,349.18, 15,661.63 and 6,313.29

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Solution

The fourth proportional to 11,349.18, 15,661.63 and 6,313.29 is: 8,712.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,349.18 : 15,661.63 = 6,313.29 : x
  2. Step 2: Convert to fraction form
    11,349.18/15,661.63 = 6,313.29/x
  3. Step 3: Cross multiply
    11,349.18x = 15,661.63 × 6,313.29
  4. Step 4: Simplify right side
    11,349.18x = 98,876,412.06
  5. Step 5: Solve for x
    x = 98,876,412.06/11,349.18
  6. Step 6: Final answer
    x = 8,712.21

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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.