Home / 15,742.11-21,723.27-9,027.41

Finding the Fourth Proportional to 15,742.11, 21,723.27 and 9,027.41

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Solution

The fourth proportional to 15,742.11, 21,723.27 and 9,027.41 is: 12,457.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,742.11 : 21,723.27 = 9,027.41 : x
  2. Step 2: Convert to fraction form
    15,742.11/21,723.27 = 9,027.41/x
  3. Step 3: Cross multiply
    15,742.11x = 21,723.27 × 9,027.41
  4. Step 4: Simplify right side
    15,742.11x = 196,104,864.83
  5. Step 5: Solve for x
    x = 196,104,864.83/15,742.11
  6. Step 6: Final answer
    x = 12,457.34

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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.