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Finding the Fourth Proportional to 19,235, 26,544.38 and 10,403

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Solution

The fourth proportional to 19,235, 26,544.38 and 10,403 is: 14,356.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,235 : 26,544.38 = 10,403 : x
  2. Step 2: Convert to fraction form
    19,235/26,544.38 = 10,403/x
  3. Step 3: Cross multiply
    19,235x = 26,544.38 × 10,403
  4. Step 4: Simplify right side
    19,235x = 276,141,185.14
  5. Step 5: Solve for x
    x = 276,141,185.14/19,235
  6. Step 6: Final answer
    x = 14,356.18

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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.