Home / 10,281.97-15,421.01-5,011.69

Finding the Fourth Proportional to 10,281.97, 15,421.01 and 5,011.69

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Solution

The fourth proportional to 10,281.97, 15,421.01 and 5,011.69 is: 7,516.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.97 : 15,421.01 = 5,011.69 : x
  2. Step 2: Convert to fraction form
    10,281.97/15,421.01 = 5,011.69/x
  3. Step 3: Cross multiply
    10,281.97x = 15,421.01 × 5,011.69
  4. Step 4: Simplify right side
    10,281.97x = 77,285,295.58
  5. Step 5: Solve for x
    x = 77,285,295.58/10,281.97
  6. Step 6: Final answer
    x = 7,516.59

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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.