Home / 21,419.43-32,130.52-6,627.11

Finding the Fourth Proportional to 21,419.43, 32,130.52 and 6,627.11

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Solution

The fourth proportional to 21,419.43, 32,130.52 and 6,627.11 is: 9,941.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,419.43 : 32,130.52 = 6,627.11 : x
  2. Step 2: Convert to fraction form
    21,419.43/32,130.52 = 6,627.11/x
  3. Step 3: Cross multiply
    21,419.43x = 32,130.52 × 6,627.11
  4. Step 4: Simplify right side
    21,419.43x = 212,932,457.26
  5. Step 5: Solve for x
    x = 212,932,457.26/21,419.43
  6. Step 6: Final answer
    x = 9,941.09

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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.