Home / 14,004.60-21,006.90-5,237.70

Finding the Fourth Proportional to 14,004.60, 21,006.90 and 5,237.70

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Solution

The fourth proportional to 14,004.60, 21,006.90 and 5,237.70 is: 7,856.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,004.60 : 21,006.90 = 5,237.70 : x
  2. Step 2: Convert to fraction form
    14,004.60/21,006.90 = 5,237.70/x
  3. Step 3: Cross multiply
    14,004.60x = 21,006.90 × 5,237.70
  4. Step 4: Simplify right side
    14,004.60x = 110,027,840.13
  5. Step 5: Solve for x
    x = 110,027,840.13/14,004.60
  6. Step 6: Final answer
    x = 7,856.55

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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.