Home / 14,789.62-22,173.48-6,989.32

Finding the Fourth Proportional to 14,789.62, 22,173.48 and 6,989.32

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Solution

The fourth proportional to 14,789.62, 22,173.48 and 6,989.32 is: 10,478.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,789.62 : 22,173.48 = 6,989.32 : x
  2. Step 2: Convert to fraction form
    14,789.62/22,173.48 = 6,989.32/x
  3. Step 3: Cross multiply
    14,789.62x = 22,173.48 × 6,989.32
  4. Step 4: Simplify right side
    14,789.62x = 154,977,547.23
  5. Step 5: Solve for x
    x = 154,977,547.23/14,789.62
  6. Step 6: Final answer
    x = 10,478.81

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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.