Home / 19,116.64-26,380.62-10,618.80

Finding the Fourth Proportional to 19,116.64, 26,380.62 and 10,618.80

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Solution

The fourth proportional to 19,116.64, 26,380.62 and 10,618.80 is: 14,653.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,116.64 : 26,380.62 = 10,618.80 : x
  2. Step 2: Convert to fraction form
    19,116.64/26,380.62 = 10,618.80/x
  3. Step 3: Cross multiply
    19,116.64x = 26,380.62 × 10,618.80
  4. Step 4: Simplify right side
    19,116.64x = 280,130,527.66
  5. Step 5: Solve for x
    x = 280,130,527.66/19,116.64
  6. Step 6: Final answer
    x = 14,653.75

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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.