Home / 14,218.05-21,330.95-4,357.11

Finding the Fourth Proportional to 14,218.05, 21,330.95 and 4,357.11

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Solution

The fourth proportional to 14,218.05, 21,330.95 and 4,357.11 is: 6,536.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218.05 : 21,330.95 = 4,357.11 : x
  2. Step 2: Convert to fraction form
    14,218.05/21,330.95 = 4,357.11/x
  3. Step 3: Cross multiply
    14,218.05x = 21,330.95 × 4,357.11
  4. Step 4: Simplify right side
    14,218.05x = 92,941,295.55
  5. Step 5: Solve for x
    x = 92,941,295.55/14,218.05
  6. Step 6: Final answer
    x = 6,536.85

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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.