Home / 11,341.43-15,648.75-6,864.29

Finding the Fourth Proportional to 11,341.43, 15,648.75 and 6,864.29

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Solution

The fourth proportional to 11,341.43, 15,648.75 and 6,864.29 is: 9,471.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,341.43 : 15,648.75 = 6,864.29 : x
  2. Step 2: Convert to fraction form
    11,341.43/15,648.75 = 6,864.29/x
  3. Step 3: Cross multiply
    11,341.43x = 15,648.75 × 6,864.29
  4. Step 4: Simplify right side
    11,341.43x = 107,417,558.14
  5. Step 5: Solve for x
    x = 107,417,558.14/11,341.43
  6. Step 6: Final answer
    x = 9,471.25

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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.