Home / 19,995.06-30,001.86-8,748.92

Finding the Fourth Proportional to 19,995.06, 30,001.86 and 8,748.92

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Solution

The fourth proportional to 19,995.06, 30,001.86 and 8,748.92 is: 13,127.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,995.06 : 30,001.86 = 8,748.92 : x
  2. Step 2: Convert to fraction form
    19,995.06/30,001.86 = 8,748.92/x
  3. Step 3: Cross multiply
    19,995.06x = 30,001.86 × 8,748.92
  4. Step 4: Simplify right side
    19,995.06x = 262,483,722.98
  5. Step 5: Solve for x
    x = 262,483,722.98/19,995.06
  6. Step 6: Final answer
    x = 13,127.43

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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.