Home / 14,259.04-21,367.76-8,020.79

Finding the Fourth Proportional to 14,259.04, 21,367.76 and 8,020.79

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Solution

The fourth proportional to 14,259.04, 21,367.76 and 8,020.79 is: 12,019.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,259.04 : 21,367.76 = 8,020.79 : x
  2. Step 2: Convert to fraction form
    14,259.04/21,367.76 = 8,020.79/x
  3. Step 3: Cross multiply
    14,259.04x = 21,367.76 × 8,020.79
  4. Step 4: Simplify right side
    14,259.04x = 171,386,392.62
  5. Step 5: Solve for x
    x = 171,386,392.62/14,259.04
  6. Step 6: Final answer
    x = 12,019.49

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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.