Home / 9,058.13-13,521.74-8,409.32

Finding the Fourth Proportional to 9,058.13, 13,521.74 and 8,409.32

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Solution

The fourth proportional to 9,058.13, 13,521.74 and 8,409.32 is: 12,553.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,058.13 : 13,521.74 = 8,409.32 : x
  2. Step 2: Convert to fraction form
    9,058.13/13,521.74 = 8,409.32/x
  3. Step 3: Cross multiply
    9,058.13x = 13,521.74 × 8,409.32
  4. Step 4: Simplify right side
    9,058.13x = 113,708,579.67
  5. Step 5: Solve for x
    x = 113,708,579.67/9,058.13
  6. Step 6: Final answer
    x = 12,553.21

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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.