Home / 13,343.58-20,008.76-7,798.32

Finding the Fourth Proportional to 13,343.58, 20,008.76 and 7,798.32

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Solution

The fourth proportional to 13,343.58, 20,008.76 and 7,798.32 is: 11,693.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,343.58 : 20,008.76 = 7,798.32 : x
  2. Step 2: Convert to fraction form
    13,343.58/20,008.76 = 7,798.32/x
  3. Step 3: Cross multiply
    13,343.58x = 20,008.76 × 7,798.32
  4. Step 4: Simplify right side
    13,343.58x = 156,034,674.29
  5. Step 5: Solve for x
    x = 156,034,674.29/13,343.58
  6. Step 6: Final answer
    x = 11,693.61

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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.