Home / 19,875.26-29,816.49-8,182.10

Finding the Fourth Proportional to 19,875.26, 29,816.49 and 8,182.10

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Solution

The fourth proportional to 19,875.26, 29,816.49 and 8,182.10 is: 12,274.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,875.26 : 29,816.49 = 8,182.10 : x
  2. Step 2: Convert to fraction form
    19,875.26/29,816.49 = 8,182.10/x
  3. Step 3: Cross multiply
    19,875.26x = 29,816.49 × 8,182.10
  4. Step 4: Simplify right side
    19,875.26x = 243,961,502.83
  5. Step 5: Solve for x
    x = 243,961,502.83/19,875.26
  6. Step 6: Final answer
    x = 12,274.63

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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.