Home / 21,402.10-32,106.57-6,607.54

Finding the Fourth Proportional to 21,402.10, 32,106.57 and 6,607.54

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Solution

The fourth proportional to 21,402.10, 32,106.57 and 6,607.54 is: 9,912.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,402.10 : 32,106.57 = 6,607.54 : x
  2. Step 2: Convert to fraction form
    21,402.10/32,106.57 = 6,607.54/x
  3. Step 3: Cross multiply
    21,402.10x = 32,106.57 × 6,607.54
  4. Step 4: Simplify right side
    21,402.10x = 212,145,445.54
  5. Step 5: Solve for x
    x = 212,145,445.54/21,402.10
  6. Step 6: Final answer
    x = 9,912.37

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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.