Home / 12,153.30-16,772.58-6,849.18

Finding the Fourth Proportional to 12,153.30, 16,772.58 and 6,849.18

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Solution

The fourth proportional to 12,153.30, 16,772.58 and 6,849.18 is: 9,452.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,153.30 : 16,772.58 = 6,849.18 : x
  2. Step 2: Convert to fraction form
    12,153.30/16,772.58 = 6,849.18/x
  3. Step 3: Cross multiply
    12,153.30x = 16,772.58 × 6,849.18
  4. Step 4: Simplify right side
    12,153.30x = 114,878,419.48
  5. Step 5: Solve for x
    x = 114,878,419.48/12,153.30
  6. Step 6: Final answer
    x = 9,452.45

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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.