Home / 21,416.72-32,128.16-6,626.93

Finding the Fourth Proportional to 21,416.72, 32,128.16 and 6,626.93

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Solution

The fourth proportional to 21,416.72, 32,128.16 and 6,626.93 is: 9,941.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,416.72 : 32,128.16 = 6,626.93 : x
  2. Step 2: Convert to fraction form
    21,416.72/32,128.16 = 6,626.93/x
  3. Step 3: Cross multiply
    21,416.72x = 32,128.16 × 6,626.93
  4. Step 4: Simplify right side
    21,416.72x = 212,910,873.57
  5. Step 5: Solve for x
    x = 212,910,873.57/21,416.72
  6. Step 6: Final answer
    x = 9,941.34

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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.