Home / 14,763.60-22,145.40-6,987.60

Finding the Fourth Proportional to 14,763.60, 22,145.40 and 6,987.60

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Solution

The fourth proportional to 14,763.60, 22,145.40 and 6,987.60 is: 10,481.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,763.60 : 22,145.40 = 6,987.60 : x
  2. Step 2: Convert to fraction form
    14,763.60/22,145.40 = 6,987.60/x
  3. Step 3: Cross multiply
    14,763.60x = 22,145.40 × 6,987.60
  4. Step 4: Simplify right side
    14,763.60x = 154,743,197.04
  5. Step 5: Solve for x
    x = 154,743,197.04/14,763.60
  6. Step 6: Final answer
    x = 10,481.40

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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.