Home / 13,736.04-20,575.29-8,780.46

Finding the Fourth Proportional to 13,736.04, 20,575.29 and 8,780.46

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Solution

The fourth proportional to 13,736.04, 20,575.29 and 8,780.46 is: 13,152.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,736.04 : 20,575.29 = 8,780.46 : x
  2. Step 2: Convert to fraction form
    13,736.04/20,575.29 = 8,780.46/x
  3. Step 3: Cross multiply
    13,736.04x = 20,575.29 × 8,780.46
  4. Step 4: Simplify right side
    13,736.04x = 180,660,510.83
  5. Step 5: Solve for x
    x = 180,660,510.83/13,736.04
  6. Step 6: Final answer
    x = 13,152.30

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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.