Home / 14,003.78-19,343.70-10,377.21

Finding the Fourth Proportional to 14,003.78, 19,343.70 and 10,377.21

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Solution

The fourth proportional to 14,003.78, 19,343.70 and 10,377.21 is: 14,334.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003.78 : 19,343.70 = 10,377.21 : x
  2. Step 2: Convert to fraction form
    14,003.78/19,343.70 = 10,377.21/x
  3. Step 3: Cross multiply
    14,003.78x = 19,343.70 × 10,377.21
  4. Step 4: Simplify right side
    14,003.78x = 200,733,637.08
  5. Step 5: Solve for x
    x = 200,733,637.08/14,003.78
  6. Step 6: Final answer
    x = 14,334.24

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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.