Home / 18,785.34-28,159.47-10,469.27

Finding the Fourth Proportional to 18,785.34, 28,159.47 and 10,469.27

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Solution

The fourth proportional to 18,785.34, 28,159.47 and 10,469.27 is: 15,693.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,785.34 : 28,159.47 = 10,469.27 : x
  2. Step 2: Convert to fraction form
    18,785.34/28,159.47 = 10,469.27/x
  3. Step 3: Cross multiply
    18,785.34x = 28,159.47 × 10,469.27
  4. Step 4: Simplify right side
    18,785.34x = 294,808,953.69
  5. Step 5: Solve for x
    x = 294,808,953.69/18,785.34
  6. Step 6: Final answer
    x = 15,693.56

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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.