Home / 12,900.22-19,347.07-5,000.02

Finding the Fourth Proportional to 12,900.22, 19,347.07 and 5,000.02

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Solution

The fourth proportional to 12,900.22, 19,347.07 and 5,000.02 is: 7,498.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,900.22 : 19,347.07 = 5,000.02 : x
  2. Step 2: Convert to fraction form
    12,900.22/19,347.07 = 5,000.02/x
  3. Step 3: Cross multiply
    12,900.22x = 19,347.07 × 5,000.02
  4. Step 4: Simplify right side
    12,900.22x = 96,735,736.94
  5. Step 5: Solve for x
    x = 96,735,736.94/12,900.22
  6. Step 6: Final answer
    x = 7,498.77

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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.