Home / 10,480.30-14,456.47-6,447.80

Finding the Fourth Proportional to 10,480.30, 14,456.47 and 6,447.80

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Solution

The fourth proportional to 10,480.30, 14,456.47 and 6,447.80 is: 8,894.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,480.30 : 14,456.47 = 6,447.80 : x
  2. Step 2: Convert to fraction form
    10,480.30/14,456.47 = 6,447.80/x
  3. Step 3: Cross multiply
    10,480.30x = 14,456.47 × 6,447.80
  4. Step 4: Simplify right side
    10,480.30x = 93,212,427.27
  5. Step 5: Solve for x
    x = 93,212,427.27/10,480.30
  6. Step 6: Final answer
    x = 8,894.06

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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.