Home / 14,226.40-21,295.80-9,285.40

Finding the Fourth Proportional to 14,226.40, 21,295.80 and 9,285.40

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Solution

The fourth proportional to 14,226.40, 21,295.80 and 9,285.40 is: 13,899.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,226.40 : 21,295.80 = 9,285.40 : x
  2. Step 2: Convert to fraction form
    14,226.40/21,295.80 = 9,285.40/x
  3. Step 3: Cross multiply
    14,226.40x = 21,295.80 × 9,285.40
  4. Step 4: Simplify right side
    14,226.40x = 197,740,021.32
  5. Step 5: Solve for x
    x = 197,740,021.32/14,226.40
  6. Step 6: Final answer
    x = 13,899.51

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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.