Home / 19,118.95-26,382.84-10,620.37

Finding the Fourth Proportional to 19,118.95, 26,382.84 and 10,620.37

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Solution

The fourth proportional to 19,118.95, 26,382.84 and 10,620.37 is: 14,655.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,118.95 : 26,382.84 = 10,620.37 : x
  2. Step 2: Convert to fraction form
    19,118.95/26,382.84 = 10,620.37/x
  3. Step 3: Cross multiply
    19,118.95x = 26,382.84 × 10,620.37
  4. Step 4: Simplify right side
    19,118.95x = 280,195,522.45
  5. Step 5: Solve for x
    x = 280,195,522.45/19,118.95
  6. Step 6: Final answer
    x = 14,655.38

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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.