Home / 12,959.58-19,423.14-5,555.37

Finding the Fourth Proportional to 12,959.58, 19,423.14 and 5,555.37

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Solution

The fourth proportional to 12,959.58, 19,423.14 and 5,555.37 is: 8,326.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,959.58 : 19,423.14 = 5,555.37 : x
  2. Step 2: Convert to fraction form
    12,959.58/19,423.14 = 5,555.37/x
  3. Step 3: Cross multiply
    12,959.58x = 19,423.14 × 5,555.37
  4. Step 4: Simplify right side
    12,959.58x = 107,902,729.26
  5. Step 5: Solve for x
    x = 107,902,729.26/12,959.58
  6. Step 6: Final answer
    x = 8,326.10

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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.