Home / 15,561.61-23,343.84-6,199.36

Finding the Fourth Proportional to 15,561.61, 23,343.84 and 6,199.36

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Solution

The fourth proportional to 15,561.61, 23,343.84 and 6,199.36 is: 9,299.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,561.61 : 23,343.84 = 6,199.36 : x
  2. Step 2: Convert to fraction form
    15,561.61/23,343.84 = 6,199.36/x
  3. Step 3: Cross multiply
    15,561.61x = 23,343.84 × 6,199.36
  4. Step 4: Simplify right side
    15,561.61x = 144,716,867.94
  5. Step 5: Solve for x
    x = 144,716,867.94/15,561.61
  6. Step 6: Final answer
    x = 9,299.61

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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.