Home / 12,282.40-16,948.88-6,693.28

Finding the Fourth Proportional to 12,282.40, 16,948.88 and 6,693.28

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Solution

The fourth proportional to 12,282.40, 16,948.88 and 6,693.28 is: 9,236.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282.40 : 16,948.88 = 6,693.28 : x
  2. Step 2: Convert to fraction form
    12,282.40/16,948.88 = 6,693.28/x
  3. Step 3: Cross multiply
    12,282.40x = 16,948.88 × 6,693.28
  4. Step 4: Simplify right side
    12,282.40x = 113,443,599.53
  5. Step 5: Solve for x
    x = 113,443,599.53/12,282.40
  6. Step 6: Final answer
    x = 9,236.27

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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.