Home / 13,821.89-19,074.99-10,458.87

Finding the Fourth Proportional to 13,821.89, 19,074.99 and 10,458.87

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Solution

The fourth proportional to 13,821.89, 19,074.99 and 10,458.87 is: 14,433.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821.89 : 19,074.99 = 10,458.87 : x
  2. Step 2: Convert to fraction form
    13,821.89/19,074.99 = 10,458.87/x
  3. Step 3: Cross multiply
    13,821.89x = 19,074.99 × 10,458.87
  4. Step 4: Simplify right side
    13,821.89x = 199,502,840.66
  5. Step 5: Solve for x
    x = 199,502,840.66/13,821.89
  6. Step 6: Final answer
    x = 14,433.84

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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.