Home / 15,039.64-20,771.08-10,337.56

Finding the Fourth Proportional to 15,039.64, 20,771.08 and 10,337.56

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Solution

The fourth proportional to 15,039.64, 20,771.08 and 10,337.56 is: 14,277.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,039.64 : 20,771.08 = 10,337.56 : x
  2. Step 2: Convert to fraction form
    15,039.64/20,771.08 = 10,337.56/x
  3. Step 3: Cross multiply
    15,039.64x = 20,771.08 × 10,337.56
  4. Step 4: Simplify right side
    15,039.64x = 214,722,285.76
  5. Step 5: Solve for x
    x = 214,722,285.76/15,039.64
  6. Step 6: Final answer
    x = 14,277.09

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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.