Home / 14,374.10-19,829.74-10,388.90

Finding the Fourth Proportional to 14,374.10, 19,829.74 and 10,388.90

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Solution

The fourth proportional to 14,374.10, 19,829.74 and 10,388.90 is: 14,331.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,374.10 : 19,829.74 = 10,388.90 : x
  2. Step 2: Convert to fraction form
    14,374.10/19,829.74 = 10,388.90/x
  3. Step 3: Cross multiply
    14,374.10x = 19,829.74 × 10,388.90
  4. Step 4: Simplify right side
    14,374.10x = 206,009,185.89
  5. Step 5: Solve for x
    x = 206,009,185.89/14,374.10
  6. Step 6: Final answer
    x = 14,331.97

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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.