Home / 19,721.86-29,583.05-5,682.12

Finding the Fourth Proportional to 19,721.86, 29,583.05 and 5,682.12

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Solution

The fourth proportional to 19,721.86, 29,583.05 and 5,682.12 is: 8,523.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,721.86 : 29,583.05 = 5,682.12 : x
  2. Step 2: Convert to fraction form
    19,721.86/29,583.05 = 5,682.12/x
  3. Step 3: Cross multiply
    19,721.86x = 29,583.05 × 5,682.12
  4. Step 4: Simplify right side
    19,721.86x = 168,094,440.07
  5. Step 5: Solve for x
    x = 168,094,440.07/19,721.86
  6. Step 6: Final answer
    x = 8,523.25

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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.