Home / 11,624.64-16,041.96-6,319.68

Finding the Fourth Proportional to 11,624.64, 16,041.96 and 6,319.68

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Solution

The fourth proportional to 11,624.64, 16,041.96 and 6,319.68 is: 8,721.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,624.64 : 16,041.96 = 6,319.68 : x
  2. Step 2: Convert to fraction form
    11,624.64/16,041.96 = 6,319.68/x
  3. Step 3: Cross multiply
    11,624.64x = 16,041.96 × 6,319.68
  4. Step 4: Simplify right side
    11,624.64x = 101,380,053.77
  5. Step 5: Solve for x
    x = 101,380,053.77/11,624.64
  6. Step 6: Final answer
    x = 8,721.13

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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.