Home / 13,213.07-19,818.66-4,891.55

Finding the Fourth Proportional to 13,213.07, 19,818.66 and 4,891.55

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Solution

The fourth proportional to 13,213.07, 19,818.66 and 4,891.55 is: 7,336.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,213.07 : 19,818.66 = 4,891.55 : x
  2. Step 2: Convert to fraction form
    13,213.07/19,818.66 = 4,891.55/x
  3. Step 3: Cross multiply
    13,213.07x = 19,818.66 × 4,891.55
  4. Step 4: Simplify right side
    13,213.07x = 96,943,966.32
  5. Step 5: Solve for x
    x = 96,943,966.32/13,213.07
  6. Step 6: Final answer
    x = 7,336.98

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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.