Home / 14,341.28-19,783.00-13,326.47

Finding the Fourth Proportional to 14,341.28, 19,783.00 and 13,326.47

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Solution

The fourth proportional to 14,341.28, 19,783.00 and 13,326.47 is: 18,383.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,341.28 : 19,783.00 = 13,326.47 : x
  2. Step 2: Convert to fraction form
    14,341.28/19,783.00 = 13,326.47/x
  3. Step 3: Cross multiply
    14,341.28x = 19,783.00 × 13,326.47
  4. Step 4: Simplify right side
    14,341.28x = 263,637,473.75
  5. Step 5: Solve for x
    x = 263,637,473.75/14,341.28
  6. Step 6: Final answer
    x = 18,383.12

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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.