Home / 22,109.07-30,511.18-12,038.19

Finding the Fourth Proportional to 22,109.07, 30,511.18 and 12,038.19

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Solution

The fourth proportional to 22,109.07, 30,511.18 and 12,038.19 is: 16,613.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,109.07 : 30,511.18 = 12,038.19 : x
  2. Step 2: Convert to fraction form
    22,109.07/30,511.18 = 12,038.19/x
  3. Step 3: Cross multiply
    22,109.07x = 30,511.18 × 12,038.19
  4. Step 4: Simplify right side
    22,109.07x = 367,299,381.96
  5. Step 5: Solve for x
    x = 367,299,381.96/22,109.07
  6. Step 6: Final answer
    x = 16,613.06

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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.