Home / 15,813.86-23,722.13-4,127.06

Finding the Fourth Proportional to 15,813.86, 23,722.13 and 4,127.06

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Solution

The fourth proportional to 15,813.86, 23,722.13 and 4,127.06 is: 6,190.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,813.86 : 23,722.13 = 4,127.06 : x
  2. Step 2: Convert to fraction form
    15,813.86/23,722.13 = 4,127.06/x
  3. Step 3: Cross multiply
    15,813.86x = 23,722.13 × 4,127.06
  4. Step 4: Simplify right side
    15,813.86x = 97,902,723.46
  5. Step 5: Solve for x
    x = 97,902,723.46/15,813.86
  6. Step 6: Final answer
    x = 6,190.95

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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.