Home / 15,561.77-23,311.60-7,230.47

Finding the Fourth Proportional to 15,561.77, 23,311.60 and 7,230.47

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Solution

The fourth proportional to 15,561.77, 23,311.60 and 7,230.47 is: 10,831.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,561.77 : 23,311.60 = 7,230.47 : x
  2. Step 2: Convert to fraction form
    15,561.77/23,311.60 = 7,230.47/x
  3. Step 3: Cross multiply
    15,561.77x = 23,311.60 × 7,230.47
  4. Step 4: Simplify right side
    15,561.77x = 168,553,689.82
  5. Step 5: Solve for x
    x = 168,553,689.82/15,561.77
  6. Step 6: Final answer
    x = 10,831.27

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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.