Home / 14,574.36-20,107.62-8,285.16

Finding the Fourth Proportional to 14,574.36, 20,107.62 and 8,285.16

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Solution

The fourth proportional to 14,574.36, 20,107.62 and 8,285.16 is: 11,430.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,574.36 : 20,107.62 = 8,285.16 : x
  2. Step 2: Convert to fraction form
    14,574.36/20,107.62 = 8,285.16/x
  3. Step 3: Cross multiply
    14,574.36x = 20,107.62 × 8,285.16
  4. Step 4: Simplify right side
    14,574.36x = 166,594,848.92
  5. Step 5: Solve for x
    x = 166,594,848.92/14,574.36
  6. Step 6: Final answer
    x = 11,430.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.