Home / 19,512.81-29,268.90-5,661.81

Finding the Fourth Proportional to 19,512.81, 29,268.90 and 5,661.81

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Solution

The fourth proportional to 19,512.81, 29,268.90 and 5,661.81 is: 8,492.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,512.81 : 29,268.90 = 5,661.81 : x
  2. Step 2: Convert to fraction form
    19,512.81/29,268.90 = 5,661.81/x
  3. Step 3: Cross multiply
    19,512.81x = 29,268.90 × 5,661.81
  4. Step 4: Simplify right side
    19,512.81x = 165,714,950.71
  5. Step 5: Solve for x
    x = 165,714,950.71/19,512.81
  6. Step 6: Final answer
    x = 8,492.62

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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.