Home / 13,565.34-18,731.62-10,202.29

Finding the Fourth Proportional to 13,565.34, 18,731.62 and 10,202.29

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Solution

The fourth proportional to 13,565.34, 18,731.62 and 10,202.29 is: 14,087.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565.34 : 18,731.62 = 10,202.29 : x
  2. Step 2: Convert to fraction form
    13,565.34/18,731.62 = 10,202.29/x
  3. Step 3: Cross multiply
    13,565.34x = 18,731.62 × 10,202.29
  4. Step 4: Simplify right side
    13,565.34x = 191,105,385.33
  5. Step 5: Solve for x
    x = 191,105,385.33/13,565.34
  6. Step 6: Final answer
    x = 14,087.77

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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.