Home / 10,383.57-15,567.81-4,141.71

Finding the Fourth Proportional to 10,383.57, 15,567.81 and 4,141.71

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Solution

The fourth proportional to 10,383.57, 15,567.81 and 4,141.71 is: 6,209.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,383.57 : 15,567.81 = 4,141.71 : x
  2. Step 2: Convert to fraction form
    10,383.57/15,567.81 = 4,141.71/x
  3. Step 3: Cross multiply
    10,383.57x = 15,567.81 × 4,141.71
  4. Step 4: Simplify right side
    10,383.57x = 64,477,354.36
  5. Step 5: Solve for x
    x = 64,477,354.36/10,383.57
  6. Step 6: Final answer
    x = 6,209.56

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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.