Home / 14,809.49-20,445.50-9,788.30

Finding the Fourth Proportional to 14,809.49, 20,445.50 and 9,788.30

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Solution

The fourth proportional to 14,809.49, 20,445.50 and 9,788.30 is: 13,513.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,809.49 : 20,445.50 = 9,788.30 : x
  2. Step 2: Convert to fraction form
    14,809.49/20,445.50 = 9,788.30/x
  3. Step 3: Cross multiply
    14,809.49x = 20,445.50 × 9,788.30
  4. Step 4: Simplify right side
    14,809.49x = 200,126,687.65
  5. Step 5: Solve for x
    x = 200,126,687.65/14,809.49
  6. Step 6: Final answer
    x = 13,513.41

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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.