Home / 14,215.27-21,322.95-4,354.56

Finding the Fourth Proportional to 14,215.27, 21,322.95 and 4,354.56

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Solution

The fourth proportional to 14,215.27, 21,322.95 and 4,354.56 is: 6,531.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215.27 : 21,322.95 = 4,354.56 : x
  2. Step 2: Convert to fraction form
    14,215.27/21,322.95 = 4,354.56/x
  3. Step 3: Cross multiply
    14,215.27x = 21,322.95 × 4,354.56
  4. Step 4: Simplify right side
    14,215.27x = 92,852,048.82
  5. Step 5: Solve for x
    x = 92,852,048.82/14,215.27
  6. Step 6: Final answer
    x = 6,531.85

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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.