Home / 20,434.03-30,650.21-7,110.08

Finding the Fourth Proportional to 20,434.03, 30,650.21 and 7,110.08

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Solution

The fourth proportional to 20,434.03, 30,650.21 and 7,110.08 is: 10,664.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,434.03 : 30,650.21 = 7,110.08 : x
  2. Step 2: Convert to fraction form
    20,434.03/30,650.21 = 7,110.08/x
  3. Step 3: Cross multiply
    20,434.03x = 30,650.21 × 7,110.08
  4. Step 4: Simplify right side
    20,434.03x = 217,925,256.32
  5. Step 5: Solve for x
    x = 217,925,256.32/20,434.03
  6. Step 6: Final answer
    x = 10,664.82

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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.