Home / 21,416.49-32,125.63-6,625.69

Finding the Fourth Proportional to 21,416.49, 32,125.63 and 6,625.69

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Solution

The fourth proportional to 21,416.49, 32,125.63 and 6,625.69 is: 9,938.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,416.49 : 32,125.63 = 6,625.69 : x
  2. Step 2: Convert to fraction form
    21,416.49/32,125.63 = 6,625.69/x
  3. Step 3: Cross multiply
    21,416.49x = 32,125.63 × 6,625.69
  4. Step 4: Simplify right side
    21,416.49x = 212,854,465.43
  5. Step 5: Solve for x
    x = 212,854,465.43/21,416.49
  6. Step 6: Final answer
    x = 9,938.81

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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.