Home / 10,657.12-14,705.12-5,940.76

Finding the Fourth Proportional to 10,657.12, 14,705.12 and 5,940.76

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Solution

The fourth proportional to 10,657.12, 14,705.12 and 5,940.76 is: 8,197.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,657.12 : 14,705.12 = 5,940.76 : x
  2. Step 2: Convert to fraction form
    10,657.12/14,705.12 = 5,940.76/x
  3. Step 3: Cross multiply
    10,657.12x = 14,705.12 × 5,940.76
  4. Step 4: Simplify right side
    10,657.12x = 87,359,588.69
  5. Step 5: Solve for x
    x = 87,359,588.69/10,657.12
  6. Step 6: Final answer
    x = 8,197.30

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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.