Home / 14,259.30-21,377.40-5,945.55

Finding the Fourth Proportional to 14,259.30, 21,377.40 and 5,945.55

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Solution

The fourth proportional to 14,259.30, 21,377.40 and 5,945.55 is: 8,913.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,259.30 : 21,377.40 = 5,945.55 : x
  2. Step 2: Convert to fraction form
    14,259.30/21,377.40 = 5,945.55/x
  3. Step 3: Cross multiply
    14,259.30x = 21,377.40 × 5,945.55
  4. Step 4: Simplify right side
    14,259.30x = 127,100,400.57
  5. Step 5: Solve for x
    x = 127,100,400.57/14,259.30
  6. Step 6: Final answer
    x = 8,913.51

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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.