Home / 14,506.12-20,020.26-8,220.52

Finding the Fourth Proportional to 14,506.12, 20,020.26 and 8,220.52

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Solution

The fourth proportional to 14,506.12, 20,020.26 and 8,220.52 is: 11,345.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,506.12 : 20,020.26 = 8,220.52 : x
  2. Step 2: Convert to fraction form
    14,506.12/20,020.26 = 8,220.52/x
  3. Step 3: Cross multiply
    14,506.12x = 20,020.26 × 8,220.52
  4. Step 4: Simplify right side
    14,506.12x = 164,576,947.74
  5. Step 5: Solve for x
    x = 164,576,947.74/14,506.12
  6. Step 6: Final answer
    x = 11,345.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.