Home / 12,300.58-18,449.79-6,377.19

Finding the Fourth Proportional to 12,300.58, 18,449.79 and 6,377.19

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Solution

The fourth proportional to 12,300.58, 18,449.79 and 6,377.19 is: 9,565.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,300.58 : 18,449.79 = 6,377.19 : x
  2. Step 2: Convert to fraction form
    12,300.58/18,449.79 = 6,377.19/x
  3. Step 3: Cross multiply
    12,300.58x = 18,449.79 × 6,377.19
  4. Step 4: Simplify right side
    12,300.58x = 117,657,816.29
  5. Step 5: Solve for x
    x = 117,657,816.29/12,300.58
  6. Step 6: Final answer
    x = 9,565.23

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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.