Home / 12,322.10-18,491.35-4,530.91

Finding the Fourth Proportional to 12,322.10, 18,491.35 and 4,530.91

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Solution

The fourth proportional to 12,322.10, 18,491.35 and 4,530.91 is: 6,799.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,322.10 : 18,491.35 = 4,530.91 : x
  2. Step 2: Convert to fraction form
    12,322.10/18,491.35 = 4,530.91/x
  3. Step 3: Cross multiply
    12,322.10x = 18,491.35 × 4,530.91
  4. Step 4: Simplify right side
    12,322.10x = 83,782,642.63
  5. Step 5: Solve for x
    x = 83,782,642.63/12,322.10
  6. Step 6: Final answer
    x = 6,799.38

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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.