Home / 14,220.38-21,312.74-10,945.82

Finding the Fourth Proportional to 14,220.38, 21,312.74 and 10,945.82

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Solution

The fourth proportional to 14,220.38, 21,312.74 and 10,945.82 is: 16,405.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,220.38 : 21,312.74 = 10,945.82 : x
  2. Step 2: Convert to fraction form
    14,220.38/21,312.74 = 10,945.82/x
  3. Step 3: Cross multiply
    14,220.38x = 21,312.74 × 10,945.82
  4. Step 4: Simplify right side
    14,220.38x = 233,285,415.75
  5. Step 5: Solve for x
    x = 233,285,415.75/14,220.38
  6. Step 6: Final answer
    x = 16,405.01

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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.