Home / 13,669.59-20,502.77-4,435.59

Finding the Fourth Proportional to 13,669.59, 20,502.77 and 4,435.59

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Solution

The fourth proportional to 13,669.59, 20,502.77 and 4,435.59 is: 6,652.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,669.59 : 20,502.77 = 4,435.59 : x
  2. Step 2: Convert to fraction form
    13,669.59/20,502.77 = 4,435.59/x
  3. Step 3: Cross multiply
    13,669.59x = 20,502.77 × 4,435.59
  4. Step 4: Simplify right side
    13,669.59x = 90,941,859.41
  5. Step 5: Solve for x
    x = 90,941,859.41/13,669.59
  6. Step 6: Final answer
    x = 6,652.86

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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.