Home / 10,353.60-14,288.64-6,161.28

Finding the Fourth Proportional to 10,353.60, 14,288.64 and 6,161.28

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Solution

The fourth proportional to 10,353.60, 14,288.64 and 6,161.28 is: 8,502.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,353.60 : 14,288.64 = 6,161.28 : x
  2. Step 2: Convert to fraction form
    10,353.60/14,288.64 = 6,161.28/x
  3. Step 3: Cross multiply
    10,353.60x = 14,288.64 × 6,161.28
  4. Step 4: Simplify right side
    10,353.60x = 88,036,311.86
  5. Step 5: Solve for x
    x = 88,036,311.86/10,353.60
  6. Step 6: Final answer
    x = 8,502.97

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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.