Home / 11,077.20-15,281.68-7,295.52

Finding the Fourth Proportional to 11,077.20, 15,281.68 and 7,295.52

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Solution

The fourth proportional to 11,077.20, 15,281.68 and 7,295.52 is: 10,064.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.20 : 15,281.68 = 7,295.52 : x
  2. Step 2: Convert to fraction form
    11,077.20/15,281.68 = 7,295.52/x
  3. Step 3: Cross multiply
    11,077.20x = 15,281.68 × 7,295.52
  4. Step 4: Simplify right side
    11,077.20x = 111,487,802.07
  5. Step 5: Solve for x
    x = 111,487,802.07/11,077.20
  6. Step 6: Final answer
    x = 10,064.62

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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.