Home / 13,087.32-18,058.86-8,847.60

Finding the Fourth Proportional to 13,087.32, 18,058.86 and 8,847.60

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Solution

The fourth proportional to 13,087.32, 18,058.86 and 8,847.60 is: 12,208.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,087.32 : 18,058.86 = 8,847.60 : x
  2. Step 2: Convert to fraction form
    13,087.32/18,058.86 = 8,847.60/x
  3. Step 3: Cross multiply
    13,087.32x = 18,058.86 × 8,847.60
  4. Step 4: Simplify right side
    13,087.32x = 159,777,569.74
  5. Step 5: Solve for x
    x = 159,777,569.74/13,087.32
  6. Step 6: Final answer
    x = 12,208.58

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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.