Home / 12,637.10-18,942.46-4,314.22

Finding the Fourth Proportional to 12,637.10, 18,942.46 and 4,314.22

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Solution

The fourth proportional to 12,637.10, 18,942.46 and 4,314.22 is: 6,466.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,637.10 : 18,942.46 = 4,314.22 : x
  2. Step 2: Convert to fraction form
    12,637.10/18,942.46 = 4,314.22/x
  3. Step 3: Cross multiply
    12,637.10x = 18,942.46 × 4,314.22
  4. Step 4: Simplify right side
    12,637.10x = 81,721,881.64
  5. Step 5: Solve for x
    x = 81,721,881.64/12,637.10
  6. Step 6: Final answer
    x = 6,466.82

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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.