Home / 13,001.88-19,498.20-4,235.16

Finding the Fourth Proportional to 13,001.88, 19,498.20 and 4,235.16

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Solution

The fourth proportional to 13,001.88, 19,498.20 and 4,235.16 is: 6,351.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001.88 : 19,498.20 = 4,235.16 : x
  2. Step 2: Convert to fraction form
    13,001.88/19,498.20 = 4,235.16/x
  3. Step 3: Cross multiply
    13,001.88x = 19,498.20 × 4,235.16
  4. Step 4: Simplify right side
    13,001.88x = 82,577,996.71
  5. Step 5: Solve for x
    x = 82,577,996.71/13,001.88
  6. Step 6: Final answer
    x = 6,351.24

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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.