Home / 11,550.51-15,939.63-6,245.28

Finding the Fourth Proportional to 11,550.51, 15,939.63 and 6,245.28

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Solution

The fourth proportional to 11,550.51, 15,939.63 and 6,245.28 is: 8,618.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,550.51 : 15,939.63 = 6,245.28 : x
  2. Step 2: Convert to fraction form
    11,550.51/15,939.63 = 6,245.28/x
  3. Step 3: Cross multiply
    11,550.51x = 15,939.63 × 6,245.28
  4. Step 4: Simplify right side
    11,550.51x = 99,547,452.45
  5. Step 5: Solve for x
    x = 99,547,452.45/11,550.51
  6. Step 6: Final answer
    x = 8,618.45

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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.