Home / 15,024.77-20,739.11-10,549.64

Finding the Fourth Proportional to 15,024.77, 20,739.11 and 10,549.64

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Solution

The fourth proportional to 15,024.77, 20,739.11 and 10,549.64 is: 14,561.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,024.77 : 20,739.11 = 10,549.64 : x
  2. Step 2: Convert to fraction form
    15,024.77/20,739.11 = 10,549.64/x
  3. Step 3: Cross multiply
    15,024.77x = 20,739.11 × 10,549.64
  4. Step 4: Simplify right side
    15,024.77x = 218,789,987.98
  5. Step 5: Solve for x
    x = 218,789,987.98/15,024.77
  6. Step 6: Final answer
    x = 14,561.96

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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.