Home / 14,342.40-21,515.22-6,950.88

Finding the Fourth Proportional to 14,342.40, 21,515.22 and 6,950.88

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Solution

The fourth proportional to 14,342.40, 21,515.22 and 6,950.88 is: 10,427.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342.40 : 21,515.22 = 6,950.88 : x
  2. Step 2: Convert to fraction form
    14,342.40/21,515.22 = 6,950.88/x
  3. Step 3: Cross multiply
    14,342.40x = 21,515.22 × 6,950.88
  4. Step 4: Simplify right side
    14,342.40x = 149,549,712.39
  5. Step 5: Solve for x
    x = 149,549,712.39/14,342.40
  6. Step 6: Final answer
    x = 10,427.11

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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.