Home / 12,748.48-17,598.80-8,506.56

Finding the Fourth Proportional to 12,748.48, 17,598.80 and 8,506.56

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Solution

The fourth proportional to 12,748.48, 17,598.80 and 8,506.56 is: 11,742.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,748.48 : 17,598.80 = 8,506.56 : x
  2. Step 2: Convert to fraction form
    12,748.48/17,598.80 = 8,506.56/x
  3. Step 3: Cross multiply
    12,748.48x = 17,598.80 × 8,506.56
  4. Step 4: Simplify right side
    12,748.48x = 149,705,248.13
  5. Step 5: Solve for x
    x = 149,705,248.13/12,748.48
  6. Step 6: Final answer
    x = 11,742.99

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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.