Home / 19,028.52-26,259.44-10,645

Finding the Fourth Proportional to 19,028.52, 26,259.44 and 10,645

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Solution

The fourth proportional to 19,028.52, 26,259.44 and 10,645 is: 14,690.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,028.52 : 26,259.44 = 10,645 : x
  2. Step 2: Convert to fraction form
    19,028.52/26,259.44 = 10,645/x
  3. Step 3: Cross multiply
    19,028.52x = 26,259.44 × 10,645
  4. Step 4: Simplify right side
    19,028.52x = 279,531,738.80
  5. Step 5: Solve for x
    x = 279,531,738.80/19,028.52
  6. Step 6: Final answer
    x = 14,690.15

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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.