Home / 12,529.05-17,281.76-8,058.46

Finding the Fourth Proportional to 12,529.05, 17,281.76 and 8,058.46

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Solution

The fourth proportional to 12,529.05, 17,281.76 and 8,058.46 is: 11,115.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529.05 : 17,281.76 = 8,058.46 : x
  2. Step 2: Convert to fraction form
    12,529.05/17,281.76 = 8,058.46/x
  3. Step 3: Cross multiply
    12,529.05x = 17,281.76 × 8,058.46
  4. Step 4: Simplify right side
    12,529.05x = 139,264,371.69
  5. Step 5: Solve for x
    x = 139,264,371.69/12,529.05
  6. Step 6: Final answer
    x = 11,115.32

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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.