Home / 10,091.55-13,924.80-6,312.90

Finding the Fourth Proportional to 10,091.55, 13,924.80 and 6,312.90

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Solution

The fourth proportional to 10,091.55, 13,924.80 and 6,312.90 is: 8,710.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,091.55 : 13,924.80 = 6,312.90 : x
  2. Step 2: Convert to fraction form
    10,091.55/13,924.80 = 6,312.90/x
  3. Step 3: Cross multiply
    10,091.55x = 13,924.80 × 6,312.90
  4. Step 4: Simplify right side
    10,091.55x = 87,905,869.92
  5. Step 5: Solve for x
    x = 87,905,869.92/10,091.55
  6. Step 6: Final answer
    x = 8,710.84

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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.