Home / 10,188.45-15,287.93-4,343.49

Finding the Fourth Proportional to 10,188.45, 15,287.93 and 4,343.49

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Solution

The fourth proportional to 10,188.45, 15,287.93 and 4,343.49 is: 6,517.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,188.45 : 15,287.93 = 4,343.49 : x
  2. Step 2: Convert to fraction form
    10,188.45/15,287.93 = 4,343.49/x
  3. Step 3: Cross multiply
    10,188.45x = 15,287.93 × 4,343.49
  4. Step 4: Simplify right side
    10,188.45x = 66,402,971.08
  5. Step 5: Solve for x
    x = 66,402,971.08/10,188.45
  6. Step 6: Final answer
    x = 6,517.48

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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.