Home / 15,640.63-23,462.37-5,110.22

Finding the Fourth Proportional to 15,640.63, 23,462.37 and 5,110.22

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Solution

The fourth proportional to 15,640.63, 23,462.37 and 5,110.22 is: 7,665.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,640.63 : 23,462.37 = 5,110.22 : x
  2. Step 2: Convert to fraction form
    15,640.63/23,462.37 = 5,110.22/x
  3. Step 3: Cross multiply
    15,640.63x = 23,462.37 × 5,110.22
  4. Step 4: Simplify right side
    15,640.63x = 119,897,931.08
  5. Step 5: Solve for x
    x = 119,897,931.08/15,640.63
  6. Step 6: Final answer
    x = 7,665.80

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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.