Home / 13,022.58-19,535.13-4,257.66

Finding the Fourth Proportional to 13,022.58, 19,535.13 and 4,257.66

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Solution

The fourth proportional to 13,022.58, 19,535.13 and 4,257.66 is: 6,386.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,022.58 : 19,535.13 = 4,257.66 : x
  2. Step 2: Convert to fraction form
    13,022.58/19,535.13 = 4,257.66/x
  3. Step 3: Cross multiply
    13,022.58x = 19,535.13 × 4,257.66
  4. Step 4: Simplify right side
    13,022.58x = 83,173,941.60
  5. Step 5: Solve for x
    x = 83,173,941.60/13,022.58
  6. Step 6: Final answer
    x = 6,386.90

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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.