Home / 14,521.88-20,041.63-8,555.42

Finding the Fourth Proportional to 14,521.88, 20,041.63 and 8,555.42

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Solution

The fourth proportional to 14,521.88, 20,041.63 and 8,555.42 is: 11,807.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,521.88 : 20,041.63 = 8,555.42 : x
  2. Step 2: Convert to fraction form
    14,521.88/20,041.63 = 8,555.42/x
  3. Step 3: Cross multiply
    14,521.88x = 20,041.63 × 8,555.42
  4. Step 4: Simplify right side
    14,521.88x = 171,464,590.85
  5. Step 5: Solve for x
    x = 171,464,590.85/14,521.88
  6. Step 6: Final answer
    x = 11,807.33

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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.