Home / 14,851.83-20,495.70-8,479.29

Finding the Fourth Proportional to 14,851.83, 20,495.70 and 8,479.29

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Solution

The fourth proportional to 14,851.83, 20,495.70 and 8,479.29 is: 11,701.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,851.83 : 20,495.70 = 8,479.29 : x
  2. Step 2: Convert to fraction form
    14,851.83/20,495.70 = 8,479.29/x
  3. Step 3: Cross multiply
    14,851.83x = 20,495.70 × 8,479.29
  4. Step 4: Simplify right side
    14,851.83x = 173,788,984.05
  5. Step 5: Solve for x
    x = 173,788,984.05/14,851.83
  6. Step 6: Final answer
    x = 11,701.52

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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.