Home / 13,434.96-20,130.57-10,646.58

Finding the Fourth Proportional to 13,434.96, 20,130.57 and 10,646.58

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Solution

The fourth proportional to 13,434.96, 20,130.57 and 10,646.58 is: 15,952.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434.96 : 20,130.57 = 10,646.58 : x
  2. Step 2: Convert to fraction form
    13,434.96/20,130.57 = 10,646.58/x
  3. Step 3: Cross multiply
    13,434.96x = 20,130.57 × 10,646.58
  4. Step 4: Simplify right side
    13,434.96x = 214,321,723.95
  5. Step 5: Solve for x
    x = 214,321,723.95/13,434.96
  6. Step 6: Final answer
    x = 15,952.54

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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.