Home / 13,201.60-19,801.68-4,435.60

Finding the Fourth Proportional to 13,201.60, 19,801.68 and 4,435.60

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Solution

The fourth proportional to 13,201.60, 19,801.68 and 4,435.60 is: 6,653.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,201.60 : 19,801.68 = 4,435.60 : x
  2. Step 2: Convert to fraction form
    13,201.60/19,801.68 = 4,435.60/x
  3. Step 3: Cross multiply
    13,201.60x = 19,801.68 × 4,435.60
  4. Step 4: Simplify right side
    13,201.60x = 87,832,331.81
  5. Step 5: Solve for x
    x = 87,832,331.81/13,201.60
  6. Step 6: Final answer
    x = 6,653.16

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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.