Home / 14,039.84-19,400.64-13,356.47

Finding the Fourth Proportional to 14,039.84, 19,400.64 and 13,356.47

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Solution

The fourth proportional to 14,039.84, 19,400.64 and 13,356.47 is: 18,456.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,039.84 : 19,400.64 = 13,356.47 : x
  2. Step 2: Convert to fraction form
    14,039.84/19,400.64 = 13,356.47/x
  3. Step 3: Cross multiply
    14,039.84x = 19,400.64 × 13,356.47
  4. Step 4: Simplify right side
    14,039.84x = 259,124,066.14
  5. Step 5: Solve for x
    x = 259,124,066.14/14,039.84
  6. Step 6: Final answer
    x = 18,456.34

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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.