Home / 9,977.36-14,961.12-5,818.88

Finding the Fourth Proportional to 9,977.36, 14,961.12 and 5,818.88

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Solution

The fourth proportional to 9,977.36, 14,961.12 and 5,818.88 is: 8,725.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,977.36 : 14,961.12 = 5,818.88 : x
  2. Step 2: Convert to fraction form
    9,977.36/14,961.12 = 5,818.88/x
  3. Step 3: Cross multiply
    9,977.36x = 14,961.12 × 5,818.88
  4. Step 4: Simplify right side
    9,977.36x = 87,056,961.95
  5. Step 5: Solve for x
    x = 87,056,961.95/9,977.36
  6. Step 6: Final answer
    x = 8,725.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.