Home / 10,281.63-15,384.56-7,270.77

Finding the Fourth Proportional to 10,281.63, 15,384.56 and 7,270.77

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Solution

The fourth proportional to 10,281.63, 15,384.56 and 7,270.77 is: 10,879.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.63 : 15,384.56 = 7,270.77 : x
  2. Step 2: Convert to fraction form
    10,281.63/15,384.56 = 7,270.77/x
  3. Step 3: Cross multiply
    10,281.63x = 15,384.56 × 7,270.77
  4. Step 4: Simplify right side
    10,281.63x = 111,857,560.96
  5. Step 5: Solve for x
    x = 111,857,560.96/10,281.63
  6. Step 6: Final answer
    x = 10,879.36

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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.