Home / 14,153.94-21,210.72-10,426.86

Finding the Fourth Proportional to 14,153.94, 21,210.72 and 10,426.86

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Solution

The fourth proportional to 14,153.94, 21,210.72 and 10,426.86 is: 15,625.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,153.94 : 21,210.72 = 10,426.86 : x
  2. Step 2: Convert to fraction form
    14,153.94/21,210.72 = 10,426.86/x
  3. Step 3: Cross multiply
    14,153.94x = 21,210.72 × 10,426.86
  4. Step 4: Simplify right side
    14,153.94x = 221,161,207.94
  5. Step 5: Solve for x
    x = 221,161,207.94/14,153.94
  6. Step 6: Final answer
    x = 15,625.42

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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.