Home / 10,001.34-15,002.55-4,455.09

Finding the Fourth Proportional to 10,001.34, 15,002.55 and 4,455.09

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Solution

The fourth proportional to 10,001.34, 15,002.55 and 4,455.09 is: 6,682.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.34 : 15,002.55 = 4,455.09 : x
  2. Step 2: Convert to fraction form
    10,001.34/15,002.55 = 4,455.09/x
  3. Step 3: Cross multiply
    10,001.34x = 15,002.55 × 4,455.09
  4. Step 4: Simplify right side
    10,001.34x = 66,837,710.48
  5. Step 5: Solve for x
    x = 66,837,710.48/10,001.34
  6. Step 6: Final answer
    x = 6,682.88

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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.