Home / 19,166.64-28,740.86-6,685.15

Finding the Fourth Proportional to 19,166.64, 28,740.86 and 6,685.15

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Solution

The fourth proportional to 19,166.64, 28,740.86 and 6,685.15 is: 10,024.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,166.64 : 28,740.86 = 6,685.15 : x
  2. Step 2: Convert to fraction form
    19,166.64/28,740.86 = 6,685.15/x
  3. Step 3: Cross multiply
    19,166.64x = 28,740.86 × 6,685.15
  4. Step 4: Simplify right side
    19,166.64x = 192,136,854.95
  5. Step 5: Solve for x
    x = 192,136,854.95/19,166.64
  6. Step 6: Final answer
    x = 10,024.55

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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.