Home / 11,311.52-15,605.64-8,334.48

Finding the Fourth Proportional to 11,311.52, 15,605.64 and 8,334.48

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Solution

The fourth proportional to 11,311.52, 15,605.64 and 8,334.48 is: 11,498.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,311.52 : 15,605.64 = 8,334.48 : x
  2. Step 2: Convert to fraction form
    11,311.52/15,605.64 = 8,334.48/x
  3. Step 3: Cross multiply
    11,311.52x = 15,605.64 × 8,334.48
  4. Step 4: Simplify right side
    11,311.52x = 130,064,894.47
  5. Step 5: Solve for x
    x = 130,064,894.47/11,311.52
  6. Step 6: Final answer
    x = 11,498.45

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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.