Home / 10,011.52-15,013.68-3,435.96

Finding the Fourth Proportional to 10,011.52, 15,013.68 and 3,435.96

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Solution

The fourth proportional to 10,011.52, 15,013.68 and 3,435.96 is: 5,152.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,011.52 : 15,013.68 = 3,435.96 : x
  2. Step 2: Convert to fraction form
    10,011.52/15,013.68 = 3,435.96/x
  3. Step 3: Cross multiply
    10,011.52x = 15,013.68 × 3,435.96
  4. Step 4: Simplify right side
    10,011.52x = 51,586,403.93
  5. Step 5: Solve for x
    x = 51,586,403.93/10,011.52
  6. Step 6: Final answer
    x = 5,152.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.