Home / 14,658.18-21,998.07-9,119.67

Finding the Fourth Proportional to 14,658.18, 21,998.07 and 9,119.67

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Solution

The fourth proportional to 14,658.18, 21,998.07 and 9,119.67 is: 13,686.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658.18 : 21,998.07 = 9,119.67 : x
  2. Step 2: Convert to fraction form
    14,658.18/21,998.07 = 9,119.67/x
  3. Step 3: Cross multiply
    14,658.18x = 21,998.07 × 9,119.67
  4. Step 4: Simplify right side
    14,658.18x = 200,615,139.04
  5. Step 5: Solve for x
    x = 200,615,139.04/14,658.18
  6. Step 6: Final answer
    x = 13,686.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.