Home / 13,899.58-20,851.20-4,536.32

Finding the Fourth Proportional to 13,899.58, 20,851.20 and 4,536.32

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Solution

The fourth proportional to 13,899.58, 20,851.20 and 4,536.32 is: 6,805.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899.58 : 20,851.20 = 4,536.32 : x
  2. Step 2: Convert to fraction form
    13,899.58/20,851.20 = 4,536.32/x
  3. Step 3: Cross multiply
    13,899.58x = 20,851.20 × 4,536.32
  4. Step 4: Simplify right side
    13,899.58x = 94,587,715.58
  5. Step 5: Solve for x
    x = 94,587,715.58/13,899.58
  6. Step 6: Final answer
    x = 6,805.08

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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.