Home / 13,208.24-19,771.04-8,521.98

Finding the Fourth Proportional to 13,208.24, 19,771.04 and 8,521.98

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Solution

The fourth proportional to 13,208.24, 19,771.04 and 8,521.98 is: 12,756.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208.24 : 19,771.04 = 8,521.98 : x
  2. Step 2: Convert to fraction form
    13,208.24/19,771.04 = 8,521.98/x
  3. Step 3: Cross multiply
    13,208.24x = 19,771.04 × 8,521.98
  4. Step 4: Simplify right side
    13,208.24x = 168,488,407.46
  5. Step 5: Solve for x
    x = 168,488,407.46/13,208.24
  6. Step 6: Final answer
    x = 12,756.31

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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.