Home / 14,020.40-21,027.58-5,698.28

Finding the Fourth Proportional to 14,020.40, 21,027.58 and 5,698.28

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Solution

The fourth proportional to 14,020.40, 21,027.58 and 5,698.28 is: 8,546.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020.40 : 21,027.58 = 5,698.28 : x
  2. Step 2: Convert to fraction form
    14,020.40/21,027.58 = 5,698.28/x
  3. Step 3: Cross multiply
    14,020.40x = 21,027.58 × 5,698.28
  4. Step 4: Simplify right side
    14,020.40x = 119,821,038.56
  5. Step 5: Solve for x
    x = 119,821,038.56/14,020.40
  6. Step 6: Final answer
    x = 8,546.19

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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.