Home / 14,643.85-20,206.33-8,898.31

Finding the Fourth Proportional to 14,643.85, 20,206.33 and 8,898.31

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Solution

The fourth proportional to 14,643.85, 20,206.33 and 8,898.31 is: 12,278.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,643.85 : 20,206.33 = 8,898.31 : x
  2. Step 2: Convert to fraction form
    14,643.85/20,206.33 = 8,898.31/x
  3. Step 3: Cross multiply
    14,643.85x = 20,206.33 × 8,898.31
  4. Step 4: Simplify right side
    14,643.85x = 179,802,188.30
  5. Step 5: Solve for x
    x = 179,802,188.30/14,643.85
  6. Step 6: Final answer
    x = 12,278.34

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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.