Home / 10,512.78-14,502.69-6,261.42

Finding the Fourth Proportional to 10,512.78, 14,502.69 and 6,261.42

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Solution

The fourth proportional to 10,512.78, 14,502.69 and 6,261.42 is: 8,637.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512.78 : 14,502.69 = 6,261.42 : x
  2. Step 2: Convert to fraction form
    10,512.78/14,502.69 = 6,261.42/x
  3. Step 3: Cross multiply
    10,512.78x = 14,502.69 × 6,261.42
  4. Step 4: Simplify right side
    10,512.78x = 90,807,433.22
  5. Step 5: Solve for x
    x = 90,807,433.22/10,512.78
  6. Step 6: Final answer
    x = 8,637.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.