Home / 14,259.07-21,392.71-7,238.80

Finding the Fourth Proportional to 14,259.07, 21,392.71 and 7,238.80

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Solution

The fourth proportional to 14,259.07, 21,392.71 and 7,238.80 is: 10,860.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,259.07 : 21,392.71 = 7,238.80 : x
  2. Step 2: Convert to fraction form
    14,259.07/21,392.71 = 7,238.80/x
  3. Step 3: Cross multiply
    14,259.07x = 21,392.71 × 7,238.80
  4. Step 4: Simplify right side
    14,259.07x = 154,857,557.79
  5. Step 5: Solve for x
    x = 154,857,557.79/14,259.07
  6. Step 6: Final answer
    x = 10,860.28

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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.