Home / 15,365.76-23,035.68-6,126.72

Finding the Fourth Proportional to 15,365.76, 23,035.68 and 6,126.72

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Solution

The fourth proportional to 15,365.76, 23,035.68 and 6,126.72 is: 9,184.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,365.76 : 23,035.68 = 6,126.72 : x
  2. Step 2: Convert to fraction form
    15,365.76/23,035.68 = 6,126.72/x
  3. Step 3: Cross multiply
    15,365.76x = 23,035.68 × 6,126.72
  4. Step 4: Simplify right side
    15,365.76x = 141,133,161.37
  5. Step 5: Solve for x
    x = 141,133,161.37/15,365.76
  6. Step 6: Final answer
    x = 9,184.91

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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.