Home / 13,153.66-19,730.54-3,292.90

Finding the Fourth Proportional to 13,153.66, 19,730.54 and 3,292.90

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Solution

The fourth proportional to 13,153.66, 19,730.54 and 3,292.90 is: 4,939.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153.66 : 19,730.54 = 3,292.90 : x
  2. Step 2: Convert to fraction form
    13,153.66/19,730.54 = 3,292.90/x
  3. Step 3: Cross multiply
    13,153.66x = 19,730.54 × 3,292.90
  4. Step 4: Simplify right side
    13,153.66x = 64,970,695.17
  5. Step 5: Solve for x
    x = 64,970,695.17/13,153.66
  6. Step 6: Final answer
    x = 4,939.36

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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.