Home / 10,900.60-15,048.86-7,502.56

Finding the Fourth Proportional to 10,900.60, 15,048.86 and 7,502.56

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Solution

The fourth proportional to 10,900.60, 15,048.86 and 7,502.56 is: 10,357.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,900.60 : 15,048.86 = 7,502.56 : x
  2. Step 2: Convert to fraction form
    10,900.60/15,048.86 = 7,502.56/x
  3. Step 3: Cross multiply
    10,900.60x = 15,048.86 × 7,502.56
  4. Step 4: Simplify right side
    10,900.60x = 112,904,975.08
  5. Step 5: Solve for x
    x = 112,904,975.08/10,900.60
  6. Step 6: Final answer
    x = 10,357.68

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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.