Home / 15,341.04-21,165.84-8,625.60

Finding the Fourth Proportional to 15,341.04, 21,165.84 and 8,625.60

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Solution

The fourth proportional to 15,341.04, 21,165.84 and 8,625.60 is: 11,900.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,341.04 : 21,165.84 = 8,625.60 : x
  2. Step 2: Convert to fraction form
    15,341.04/21,165.84 = 8,625.60/x
  3. Step 3: Cross multiply
    15,341.04x = 21,165.84 × 8,625.60
  4. Step 4: Simplify right side
    15,341.04x = 182,568,069.50
  5. Step 5: Solve for x
    x = 182,568,069.50/15,341.04
  6. Step 6: Final answer
    x = 11,900.63

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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.