Home / 14,255.67-21,381.46-4,895.51

Finding the Fourth Proportional to 14,255.67, 21,381.46 and 4,895.51

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Solution

The fourth proportional to 14,255.67, 21,381.46 and 4,895.51 is: 7,342.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255.67 : 21,381.46 = 4,895.51 : x
  2. Step 2: Convert to fraction form
    14,255.67/21,381.46 = 4,895.51/x
  3. Step 3: Cross multiply
    14,255.67x = 21,381.46 × 4,895.51
  4. Step 4: Simplify right side
    14,255.67x = 104,673,151.24
  5. Step 5: Solve for x
    x = 104,673,151.24/14,255.67
  6. Step 6: Final answer
    x = 7,342.56

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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.