Home / 17,014.66-25,424.38-12,989.77

Finding the Fourth Proportional to 17,014.66, 25,424.38 and 12,989.77

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Solution

The fourth proportional to 17,014.66, 25,424.38 and 12,989.77 is: 19,410.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,014.66 : 25,424.38 = 12,989.77 : x
  2. Step 2: Convert to fraction form
    17,014.66/25,424.38 = 12,989.77/x
  3. Step 3: Cross multiply
    17,014.66x = 25,424.38 × 12,989.77
  4. Step 4: Simplify right side
    17,014.66x = 330,256,848.59
  5. Step 5: Solve for x
    x = 330,256,848.59/17,014.66
  6. Step 6: Final answer
    x = 19,410.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.