Home / 13,975.89-19,291.23-8,953.62

Finding the Fourth Proportional to 13,975.89, 19,291.23 and 8,953.62

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Solution

The fourth proportional to 13,975.89, 19,291.23 and 8,953.62 is: 12,358.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.89 : 19,291.23 = 8,953.62 : x
  2. Step 2: Convert to fraction form
    13,975.89/19,291.23 = 8,953.62/x
  3. Step 3: Cross multiply
    13,975.89x = 19,291.23 × 8,953.62
  4. Step 4: Simplify right side
    13,975.89x = 172,726,342.75
  5. Step 5: Solve for x
    x = 172,726,342.75/13,975.89
  6. Step 6: Final answer
    x = 12,358.88

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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.