Home / 22,052.10-30,430.32-12,489.24

Finding the Fourth Proportional to 22,052.10, 30,430.32 and 12,489.24

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Solution

The fourth proportional to 22,052.10, 30,430.32 and 12,489.24 is: 17,234.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,052.10 : 30,430.32 = 12,489.24 : x
  2. Step 2: Convert to fraction form
    22,052.10/30,430.32 = 12,489.24/x
  3. Step 3: Cross multiply
    22,052.10x = 30,430.32 × 12,489.24
  4. Step 4: Simplify right side
    22,052.10x = 380,051,569.76
  5. Step 5: Solve for x
    x = 380,051,569.76/22,052.10
  6. Step 6: Final answer
    x = 17,234.26

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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.