Home / 13,782.47-20,657.30-9,599.83

Finding the Fourth Proportional to 13,782.47, 20,657.30 and 9,599.83

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Solution

The fourth proportional to 13,782.47, 20,657.30 and 9,599.83 is: 14,388.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,782.47 : 20,657.30 = 9,599.83 : x
  2. Step 2: Convert to fraction form
    13,782.47/20,657.30 = 9,599.83/x
  3. Step 3: Cross multiply
    13,782.47x = 20,657.30 × 9,599.83
  4. Step 4: Simplify right side
    13,782.47x = 198,306,568.26
  5. Step 5: Solve for x
    x = 198,306,568.26/13,782.47
  6. Step 6: Final answer
    x = 14,388.32

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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.