Home / 14,285.51-21,423.24-4,287.27

Finding the Fourth Proportional to 14,285.51, 21,423.24 and 4,287.27

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Solution

The fourth proportional to 14,285.51, 21,423.24 and 4,287.27 is: 6,429.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,285.51 : 21,423.24 = 4,287.27 : x
  2. Step 2: Convert to fraction form
    14,285.51/21,423.24 = 4,287.27/x
  3. Step 3: Cross multiply
    14,285.51x = 21,423.24 × 4,287.27
  4. Step 4: Simplify right side
    14,285.51x = 91,847,214.15
  5. Step 5: Solve for x
    x = 91,847,214.15/14,285.51
  6. Step 6: Final answer
    x = 6,429.40

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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.