Home / 10,432.21-14,396.64-5,716.21

Finding the Fourth Proportional to 10,432.21, 14,396.64 and 5,716.21

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Solution

The fourth proportional to 10,432.21, 14,396.64 and 5,716.21 is: 7,888.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,432.21 : 14,396.64 = 5,716.21 : x
  2. Step 2: Convert to fraction form
    10,432.21/14,396.64 = 5,716.21/x
  3. Step 3: Cross multiply
    10,432.21x = 14,396.64 × 5,716.21
  4. Step 4: Simplify right side
    10,432.21x = 82,294,188.95
  5. Step 5: Solve for x
    x = 82,294,188.95/10,432.21
  6. Step 6: Final answer
    x = 7,888.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.