Home / 14,569.80-21,854.70-4,180.20

Finding the Fourth Proportional to 14,569.80, 21,854.70 and 4,180.20

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Solution

The fourth proportional to 14,569.80, 21,854.70 and 4,180.20 is: 6,270.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,569.80 : 21,854.70 = 4,180.20 : x
  2. Step 2: Convert to fraction form
    14,569.80/21,854.70 = 4,180.20/x
  3. Step 3: Cross multiply
    14,569.80x = 21,854.70 × 4,180.20
  4. Step 4: Simplify right side
    14,569.80x = 91,357,016.94
  5. Step 5: Solve for x
    x = 91,357,016.94/14,569.80
  6. Step 6: Final answer
    x = 6,270.30

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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.