Home / 15,577.80-23,334.30-12,985.80

Finding the Fourth Proportional to 15,577.80, 23,334.30 and 12,985.80

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Solution

The fourth proportional to 15,577.80, 23,334.30 and 12,985.80 is: 19,451.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,577.80 : 23,334.30 = 12,985.80 : x
  2. Step 2: Convert to fraction form
    15,577.80/23,334.30 = 12,985.80/x
  3. Step 3: Cross multiply
    15,577.80x = 23,334.30 × 12,985.80
  4. Step 4: Simplify right side
    15,577.80x = 303,014,552.94
  5. Step 5: Solve for x
    x = 303,014,552.94/15,577.80
  6. Step 6: Final answer
    x = 19,451.69

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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.