Home / 13,293.06-19,897.47-7,431.90

Finding the Fourth Proportional to 13,293.06, 19,897.47 and 7,431.90

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Solution

The fourth proportional to 13,293.06, 19,897.47 and 7,431.90 is: 11,124.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.06 : 19,897.47 = 7,431.90 : x
  2. Step 2: Convert to fraction form
    13,293.06/19,897.47 = 7,431.90/x
  3. Step 3: Cross multiply
    13,293.06x = 19,897.47 × 7,431.90
  4. Step 4: Simplify right side
    13,293.06x = 147,876,007.29
  5. Step 5: Solve for x
    x = 147,876,007.29/13,293.06
  6. Step 6: Final answer
    x = 11,124.30

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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.