Home / 12,069.76-16,654.80-6,763.44

Finding the Fourth Proportional to 12,069.76, 16,654.80 and 6,763.44

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Solution

The fourth proportional to 12,069.76, 16,654.80 and 6,763.44 is: 9,332.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069.76 : 16,654.80 = 6,763.44 : x
  2. Step 2: Convert to fraction form
    12,069.76/16,654.80 = 6,763.44/x
  3. Step 3: Cross multiply
    12,069.76x = 16,654.80 × 6,763.44
  4. Step 4: Simplify right side
    12,069.76x = 112,643,740.51
  5. Step 5: Solve for x
    x = 112,643,740.51/12,069.76
  6. Step 6: Final answer
    x = 9,332.72

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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.