Home / 14,493.13-19,989.64-9,718.48

Finding the Fourth Proportional to 14,493.13, 19,989.64 and 9,718.48

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Solution

The fourth proportional to 14,493.13, 19,989.64 and 9,718.48 is: 13,404.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,493.13 : 19,989.64 = 9,718.48 : x
  2. Step 2: Convert to fraction form
    14,493.13/19,989.64 = 9,718.48/x
  3. Step 3: Cross multiply
    14,493.13x = 19,989.64 × 9,718.48
  4. Step 4: Simplify right side
    14,493.13x = 194,268,899.02
  5. Step 5: Solve for x
    x = 194,268,899.02/14,493.13
  6. Step 6: Final answer
    x = 13,404.21

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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.