Home / 10,681.68-16,021.20-4,437.84

Finding the Fourth Proportional to 10,681.68, 16,021.20 and 4,437.84

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Solution

The fourth proportional to 10,681.68, 16,021.20 and 4,437.84 is: 6,656.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,681.68 : 16,021.20 = 4,437.84 : x
  2. Step 2: Convert to fraction form
    10,681.68/16,021.20 = 4,437.84/x
  3. Step 3: Cross multiply
    10,681.68x = 16,021.20 × 4,437.84
  4. Step 4: Simplify right side
    10,681.68x = 71,099,522.21
  5. Step 5: Solve for x
    x = 71,099,522.21/10,681.68
  6. Step 6: Final answer
    x = 6,656.21

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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.