Home / 19,919.64-29,872.47-5,875.92

Finding the Fourth Proportional to 19,919.64, 29,872.47 and 5,875.92

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Solution

The fourth proportional to 19,919.64, 29,872.47 and 5,875.92 is: 8,811.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,919.64 : 29,872.47 = 5,875.92 : x
  2. Step 2: Convert to fraction form
    19,919.64/29,872.47 = 5,875.92/x
  3. Step 3: Cross multiply
    19,919.64x = 29,872.47 × 5,875.92
  4. Step 4: Simplify right side
    19,919.64x = 175,528,243.92
  5. Step 5: Solve for x
    x = 175,528,243.92/19,919.64
  6. Step 6: Final answer
    x = 8,811.82

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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.