Home / 10,311.30-14,222.39-6,484.05

Finding the Fourth Proportional to 10,311.30, 14,222.39 and 6,484.05

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Solution

The fourth proportional to 10,311.30, 14,222.39 and 6,484.05 is: 8,943.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,311.30 : 14,222.39 = 6,484.05 : x
  2. Step 2: Convert to fraction form
    10,311.30/14,222.39 = 6,484.05/x
  3. Step 3: Cross multiply
    10,311.30x = 14,222.39 × 6,484.05
  4. Step 4: Simplify right side
    10,311.30x = 92,218,655.46
  5. Step 5: Solve for x
    x = 92,218,655.46/10,311.30
  6. Step 6: Final answer
    x = 8,943.46

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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.