Home / 14,648.22-20,223.90-9,621.36

Finding the Fourth Proportional to 14,648.22, 20,223.90 and 9,621.36

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Solution

The fourth proportional to 14,648.22, 20,223.90 and 9,621.36 is: 13,283.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,648.22 : 20,223.90 = 9,621.36 : x
  2. Step 2: Convert to fraction form
    14,648.22/20,223.90 = 9,621.36/x
  3. Step 3: Cross multiply
    14,648.22x = 20,223.90 × 9,621.36
  4. Step 4: Simplify right side
    14,648.22x = 194,581,422.50
  5. Step 5: Solve for x
    x = 194,581,422.50/14,648.22
  6. Step 6: Final answer
    x = 13,283.62

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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.