Home / 12,621-17,417.10-7,032.12

Finding the Fourth Proportional to 12,621, 17,417.10 and 7,032.12

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Solution

The fourth proportional to 12,621, 17,417.10 and 7,032.12 is: 9,704.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,621 : 17,417.10 = 7,032.12 : x
  2. Step 2: Convert to fraction form
    12,621/17,417.10 = 7,032.12/x
  3. Step 3: Cross multiply
    12,621x = 17,417.10 × 7,032.12
  4. Step 4: Simplify right side
    12,621x = 122,479,137.25
  5. Step 5: Solve for x
    x = 122,479,137.25/12,621
  6. Step 6: Final answer
    x = 9,704.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.