Home / 15,044.64-20,739.84-10,554.48

Finding the Fourth Proportional to 15,044.64, 20,739.84 and 10,554.48

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Solution

The fourth proportional to 15,044.64, 20,739.84 and 10,554.48 is: 14,549.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,044.64 : 20,739.84 = 10,554.48 : x
  2. Step 2: Convert to fraction form
    15,044.64/20,739.84 = 10,554.48/x
  3. Step 3: Cross multiply
    15,044.64x = 20,739.84 × 10,554.48
  4. Step 4: Simplify right side
    15,044.64x = 218,898,226.48
  5. Step 5: Solve for x
    x = 218,898,226.48/15,044.64
  6. Step 6: Final answer
    x = 14,549.91

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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.