Home / 9,788.06-13,501.87-6,247.28

Finding the Fourth Proportional to 9,788.06, 13,501.87 and 6,247.28

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Solution

The fourth proportional to 9,788.06, 13,501.87 and 6,247.28 is: 8,617.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,788.06 : 13,501.87 = 6,247.28 : x
  2. Step 2: Convert to fraction form
    9,788.06/13,501.87 = 6,247.28/x
  3. Step 3: Cross multiply
    9,788.06x = 13,501.87 × 6,247.28
  4. Step 4: Simplify right side
    9,788.06x = 84,349,879.29
  5. Step 5: Solve for x
    x = 84,349,879.29/9,788.06
  6. Step 6: Final answer
    x = 8,617.63

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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.