Home / 9,485.98-13,058.51-8,151.91

Finding the Fourth Proportional to 9,485.98, 13,058.51 and 8,151.91

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Solution

The fourth proportional to 9,485.98, 13,058.51 and 8,151.91 is: 11,222.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,485.98 : 13,058.51 = 8,151.91 : x
  2. Step 2: Convert to fraction form
    9,485.98/13,058.51 = 8,151.91/x
  3. Step 3: Cross multiply
    9,485.98x = 13,058.51 × 8,151.91
  4. Step 4: Simplify right side
    9,485.98x = 106,451,724.85
  5. Step 5: Solve for x
    x = 106,451,724.85/9,485.98
  6. Step 6: Final answer
    x = 11,222.01

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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.