Home / 19,922.40-29,883.60-13,701.60

Finding the Fourth Proportional to 19,922.40, 29,883.60 and 13,701.60

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Solution

The fourth proportional to 19,922.40, 29,883.60 and 13,701.60 is: 20,552.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,922.40 : 29,883.60 = 13,701.60 : x
  2. Step 2: Convert to fraction form
    19,922.40/29,883.60 = 13,701.60/x
  3. Step 3: Cross multiply
    19,922.40x = 29,883.60 × 13,701.60
  4. Step 4: Simplify right side
    19,922.40x = 409,453,133.76
  5. Step 5: Solve for x
    x = 409,453,133.76/19,922.40
  6. Step 6: Final answer
    x = 20,552.40

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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.