Home / 13,671.16-20,513.12-5,349.02

Finding the Fourth Proportional to 13,671.16, 20,513.12 and 5,349.02

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Solution

The fourth proportional to 13,671.16, 20,513.12 and 5,349.02 is: 8,026.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,671.16 : 20,513.12 = 5,349.02 : x
  2. Step 2: Convert to fraction form
    13,671.16/20,513.12 = 5,349.02/x
  3. Step 3: Cross multiply
    13,671.16x = 20,513.12 × 5,349.02
  4. Step 4: Simplify right side
    13,671.16x = 109,725,089.14
  5. Step 5: Solve for x
    x = 109,725,089.14/13,671.16
  6. Step 6: Final answer
    x = 8,026.03

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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.