Home / 12,637.02-18,951.42-4,201.26

Finding the Fourth Proportional to 12,637.02, 18,951.42 and 4,201.26

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Solution

The fourth proportional to 12,637.02, 18,951.42 and 4,201.26 is: 6,300.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,637.02 : 18,951.42 = 4,201.26 : x
  2. Step 2: Convert to fraction form
    12,637.02/18,951.42 = 4,201.26/x
  3. Step 3: Cross multiply
    12,637.02x = 18,951.42 × 4,201.26
  4. Step 4: Simplify right side
    12,637.02x = 79,619,842.79
  5. Step 5: Solve for x
    x = 79,619,842.79/12,637.02
  6. Step 6: Final answer
    x = 6,300.52

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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.