Home / 17,405.62-26,075.55-13,490.86

Finding the Fourth Proportional to 17,405.62, 26,075.55 and 13,490.86

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Solution

The fourth proportional to 17,405.62, 26,075.55 and 13,490.86 is: 20,210.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,405.62 : 26,075.55 = 13,490.86 : x
  2. Step 2: Convert to fraction form
    17,405.62/26,075.55 = 13,490.86/x
  3. Step 3: Cross multiply
    17,405.62x = 26,075.55 × 13,490.86
  4. Step 4: Simplify right side
    17,405.62x = 351,781,594.47
  5. Step 5: Solve for x
    x = 351,781,594.47/17,405.62
  6. Step 6: Final answer
    x = 20,210.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.