Home / 13,606.48-20,376.54-8,043.20

Finding the Fourth Proportional to 13,606.48, 20,376.54 and 8,043.20

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Solution

The fourth proportional to 13,606.48, 20,376.54 and 8,043.20 is: 12,045.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,606.48 : 20,376.54 = 8,043.20 : x
  2. Step 2: Convert to fraction form
    13,606.48/20,376.54 = 8,043.20/x
  3. Step 3: Cross multiply
    13,606.48x = 20,376.54 × 8,043.20
  4. Step 4: Simplify right side
    13,606.48x = 163,892,586.53
  5. Step 5: Solve for x
    x = 163,892,586.53/13,606.48
  6. Step 6: Final answer
    x = 12,045.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.