Home / 11,119.33-15,254.21-10,828.81

Finding the Fourth Proportional to 11,119.33, 15,254.21 and 10,828.81

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Solution

The fourth proportional to 11,119.33, 15,254.21 and 10,828.81 is: 14,855.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,119.33 : 15,254.21 = 10,828.81 : x
  2. Step 2: Convert to fraction form
    11,119.33/15,254.21 = 10,828.81/x
  3. Step 3: Cross multiply
    11,119.33x = 15,254.21 × 10,828.81
  4. Step 4: Simplify right side
    11,119.33x = 165,184,941.79
  5. Step 5: Solve for x
    x = 165,184,941.79/11,119.33
  6. Step 6: Final answer
    x = 14,855.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.