Home / 10,287.06-14,190.54-6,503.28

Finding the Fourth Proportional to 10,287.06, 14,190.54 and 6,503.28

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Solution

The fourth proportional to 10,287.06, 14,190.54 and 6,503.28 is: 8,970.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,287.06 : 14,190.54 = 6,503.28 : x
  2. Step 2: Convert to fraction form
    10,287.06/14,190.54 = 6,503.28/x
  3. Step 3: Cross multiply
    10,287.06x = 14,190.54 × 6,503.28
  4. Step 4: Simplify right side
    10,287.06x = 92,285,054.97
  5. Step 5: Solve for x
    x = 92,285,054.97/10,287.06
  6. Step 6: Final answer
    x = 8,970.98

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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.