Home / 14,342.12-19,781.17-10,376.36

Finding the Fourth Proportional to 14,342.12, 19,781.17 and 10,376.36

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Solution

The fourth proportional to 14,342.12, 19,781.17 and 10,376.36 is: 14,311.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342.12 : 19,781.17 = 10,376.36 : x
  2. Step 2: Convert to fraction form
    14,342.12/19,781.17 = 10,376.36/x
  3. Step 3: Cross multiply
    14,342.12x = 19,781.17 × 10,376.36
  4. Step 4: Simplify right side
    14,342.12x = 205,256,416.29
  5. Step 5: Solve for x
    x = 205,256,416.29/14,342.12
  6. Step 6: Final answer
    x = 14,311.45

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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.