Home / 19,122.64-26,388.90-10,624.80

Finding the Fourth Proportional to 19,122.64, 26,388.90 and 10,624.80

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Solution

The fourth proportional to 19,122.64, 26,388.90 and 10,624.80 is: 14,662.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,122.64 : 26,388.90 = 10,624.80 : x
  2. Step 2: Convert to fraction form
    19,122.64/26,388.90 = 10,624.80/x
  3. Step 3: Cross multiply
    19,122.64x = 26,388.90 × 10,624.80
  4. Step 4: Simplify right side
    19,122.64x = 280,376,784.72
  5. Step 5: Solve for x
    x = 280,376,784.72/19,122.64
  6. Step 6: Final answer
    x = 14,662.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.