Home / 15,989.76-23,988.69-7,222.59

Finding the Fourth Proportional to 15,989.76, 23,988.69 and 7,222.59

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Solution

The fourth proportional to 15,989.76, 23,988.69 and 7,222.59 is: 10,835.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,989.76 : 23,988.69 = 7,222.59 : x
  2. Step 2: Convert to fraction form
    15,989.76/23,988.69 = 7,222.59/x
  3. Step 3: Cross multiply
    15,989.76x = 23,988.69 × 7,222.59
  4. Step 4: Simplify right side
    15,989.76x = 173,260,472.51
  5. Step 5: Solve for x
    x = 173,260,472.51/15,989.76
  6. Step 6: Final answer
    x = 10,835.71

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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.