Home / 19,372.02-26,729.34-11,412.42

Finding the Fourth Proportional to 19,372.02, 26,729.34 and 11,412.42

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Solution

The fourth proportional to 19,372.02, 26,729.34 and 11,412.42 is: 15,746.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,372.02 : 26,729.34 = 11,412.42 : x
  2. Step 2: Convert to fraction form
    19,372.02/26,729.34 = 11,412.42/x
  3. Step 3: Cross multiply
    19,372.02x = 26,729.34 × 11,412.42
  4. Step 4: Simplify right side
    19,372.02x = 305,046,454.40
  5. Step 5: Solve for x
    x = 305,046,454.40/19,372.02
  6. Step 6: Final answer
    x = 15,746.76

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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.