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Finding the Fourth Proportional to 17,479.35, 26,210.44 and 7,482.68

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Solution

The fourth proportional to 17,479.35, 26,210.44 and 7,482.68 is: 11,220.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,479.35 : 26,210.44 = 7,482.68 : x
  2. Step 2: Convert to fraction form
    17,479.35/26,210.44 = 7,482.68/x
  3. Step 3: Cross multiply
    17,479.35x = 26,210.44 × 7,482.68
  4. Step 4: Simplify right side
    17,479.35x = 196,124,400.71
  5. Step 5: Solve for x
    x = 196,124,400.71/17,479.35
  6. Step 6: Final answer
    x = 11,220.35

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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.