Home / 14,801.09-20,425.49-8,427.35

Finding the Fourth Proportional to 14,801.09, 20,425.49 and 8,427.35

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Solution

The fourth proportional to 14,801.09, 20,425.49 and 8,427.35 is: 11,629.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,801.09 : 20,425.49 = 8,427.35 : x
  2. Step 2: Convert to fraction form
    14,801.09/20,425.49 = 8,427.35/x
  3. Step 3: Cross multiply
    14,801.09x = 20,425.49 × 8,427.35
  4. Step 4: Simplify right side
    14,801.09x = 172,132,762.08
  5. Step 5: Solve for x
    x = 172,132,762.08/14,801.09
  6. Step 6: Final answer
    x = 11,629.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.