Home / 15,199.19-20,975.23-8,484.50

Finding the Fourth Proportional to 15,199.19, 20,975.23 and 8,484.50

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Solution

The fourth proportional to 15,199.19, 20,975.23 and 8,484.50 is: 11,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,199.19 : 20,975.23 = 8,484.50 : x
  2. Step 2: Convert to fraction form
    15,199.19/20,975.23 = 8,484.50/x
  3. Step 3: Cross multiply
    15,199.19x = 20,975.23 × 8,484.50
  4. Step 4: Simplify right side
    15,199.19x = 177,964,260.13
  5. Step 5: Solve for x
    x = 177,964,260.13/15,199.19
  6. Step 6: Final answer
    x = 11,708.80

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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.