Home / 19,899.48-27,452.34-12,823.32

Finding the Fourth Proportional to 19,899.48, 27,452.34 and 12,823.32

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Solution

The fourth proportional to 19,899.48, 27,452.34 and 12,823.32 is: 17,690.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,899.48 : 27,452.34 = 12,823.32 : x
  2. Step 2: Convert to fraction form
    19,899.48/27,452.34 = 12,823.32/x
  3. Step 3: Cross multiply
    19,899.48x = 27,452.34 × 12,823.32
  4. Step 4: Simplify right side
    19,899.48x = 352,030,140.57
  5. Step 5: Solve for x
    x = 352,030,140.57/19,899.48
  6. Step 6: Final answer
    x = 17,690.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.