Home / 14,313.72-21,470.32-3,925.46

Finding the Fourth Proportional to 14,313.72, 21,470.32 and 3,925.46

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Solution

The fourth proportional to 14,313.72, 21,470.32 and 3,925.46 is: 5,888.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,313.72 : 21,470.32 = 3,925.46 : x
  2. Step 2: Convert to fraction form
    14,313.72/21,470.32 = 3,925.46/x
  3. Step 3: Cross multiply
    14,313.72x = 21,470.32 × 3,925.46
  4. Step 4: Simplify right side
    14,313.72x = 84,280,882.35
  5. Step 5: Solve for x
    x = 84,280,882.35/14,313.72
  6. Step 6: Final answer
    x = 5,888.12

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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.