Home / 16,521.80-24,782.93-5,429.34

Finding the Fourth Proportional to 16,521.80, 24,782.93 and 5,429.34

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Solution

The fourth proportional to 16,521.80, 24,782.93 and 5,429.34 is: 8,144.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,521.80 : 24,782.93 = 5,429.34 : x
  2. Step 2: Convert to fraction form
    16,521.80/24,782.93 = 5,429.34/x
  3. Step 3: Cross multiply
    16,521.80x = 24,782.93 × 5,429.34
  4. Step 4: Simplify right side
    16,521.80x = 134,554,926.02
  5. Step 5: Solve for x
    x = 134,554,926.02/16,521.80
  6. Step 6: Final answer
    x = 8,144.09

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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.