Home / 13,930.02-20,895.72-4,569.21

Finding the Fourth Proportional to 13,930.02, 20,895.72 and 4,569.21

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Solution

The fourth proportional to 13,930.02, 20,895.72 and 4,569.21 is: 6,854.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,930.02 : 20,895.72 = 4,569.21 : x
  2. Step 2: Convert to fraction form
    13,930.02/20,895.72 = 4,569.21/x
  3. Step 3: Cross multiply
    13,930.02x = 20,895.72 × 4,569.21
  4. Step 4: Simplify right side
    13,930.02x = 95,476,828.30
  5. Step 5: Solve for x
    x = 95,476,828.30/13,930.02
  6. Step 6: Final answer
    x = 6,854.04

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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.