Home / 10,255.78-14,148.54-6,476.32

Finding the Fourth Proportional to 10,255.78, 14,148.54 and 6,476.32

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Solution

The fourth proportional to 10,255.78, 14,148.54 and 6,476.32 is: 8,934.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255.78 : 14,148.54 = 6,476.32 : x
  2. Step 2: Convert to fraction form
    10,255.78/14,148.54 = 6,476.32/x
  3. Step 3: Cross multiply
    10,255.78x = 14,148.54 × 6,476.32
  4. Step 4: Simplify right side
    10,255.78x = 91,630,472.57
  5. Step 5: Solve for x
    x = 91,630,472.57/10,255.78
  6. Step 6: Final answer
    x = 8,934.52

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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.