Home / 10,009.50-15,011.55-3,769.08

Finding the Fourth Proportional to 10,009.50, 15,011.55 and 3,769.08

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Solution

The fourth proportional to 10,009.50, 15,011.55 and 3,769.08 is: 5,652.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,009.50 : 15,011.55 = 3,769.08 : x
  2. Step 2: Convert to fraction form
    10,009.50/15,011.55 = 3,769.08/x
  3. Step 3: Cross multiply
    10,009.50x = 15,011.55 × 3,769.08
  4. Step 4: Simplify right side
    10,009.50x = 56,579,732.87
  5. Step 5: Solve for x
    x = 56,579,732.87/10,009.50
  6. Step 6: Final answer
    x = 5,652.60

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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.