Home / 25,662.47-38,493.66-8,130.93

Finding the Fourth Proportional to 25,662.47, 38,493.66 and 8,130.93

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Solution

The fourth proportional to 25,662.47, 38,493.66 and 8,130.93 is: 12,196.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,662.47 : 38,493.66 = 8,130.93 : x
  2. Step 2: Convert to fraction form
    25,662.47/38,493.66 = 8,130.93/x
  3. Step 3: Cross multiply
    25,662.47x = 38,493.66 × 8,130.93
  4. Step 4: Simplify right side
    25,662.47x = 312,989,110.55
  5. Step 5: Solve for x
    x = 312,989,110.55/25,662.47
  6. Step 6: Final answer
    x = 12,196.38

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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.