Home / 20,467.02-30,703.98-6,424.32

Finding the Fourth Proportional to 20,467.02, 30,703.98 and 6,424.32

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Solution

The fourth proportional to 20,467.02, 30,703.98 and 6,424.32 is: 9,637.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,467.02 : 30,703.98 = 6,424.32 : x
  2. Step 2: Convert to fraction form
    20,467.02/30,703.98 = 6,424.32/x
  3. Step 3: Cross multiply
    20,467.02x = 30,703.98 × 6,424.32
  4. Step 4: Simplify right side
    20,467.02x = 197,252,192.79
  5. Step 5: Solve for x
    x = 197,252,192.79/20,467.02
  6. Step 6: Final answer
    x = 9,637.56

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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.