Home / 13,089.80-19,632.58-4,204.71

Finding the Fourth Proportional to 13,089.80, 19,632.58 and 4,204.71

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Solution

The fourth proportional to 13,089.80, 19,632.58 and 4,204.71 is: 6,306.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,089.80 : 19,632.58 = 4,204.71 : x
  2. Step 2: Convert to fraction form
    13,089.80/19,632.58 = 4,204.71/x
  3. Step 3: Cross multiply
    13,089.80x = 19,632.58 × 4,204.71
  4. Step 4: Simplify right side
    13,089.80x = 82,549,294.94
  5. Step 5: Solve for x
    x = 82,549,294.94/13,089.80
  6. Step 6: Final answer
    x = 6,306.38

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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.