Home / 11,335.07-15,624.81-9,655.94

Finding the Fourth Proportional to 11,335.07, 15,624.81 and 9,655.94

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Solution

The fourth proportional to 11,335.07, 15,624.81 and 9,655.94 is: 13,310.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335.07 : 15,624.81 = 9,655.94 : x
  2. Step 2: Convert to fraction form
    11,335.07/15,624.81 = 9,655.94/x
  3. Step 3: Cross multiply
    11,335.07x = 15,624.81 × 9,655.94
  4. Step 4: Simplify right side
    11,335.07x = 150,872,149.75
  5. Step 5: Solve for x
    x = 150,872,149.75/11,335.07
  6. Step 6: Final answer
    x = 13,310.21

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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.