Home / 14,457.33-19,940.31-9,146.97

Finding the Fourth Proportional to 14,457.33, 19,940.31 and 9,146.97

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Solution

The fourth proportional to 14,457.33, 19,940.31 and 9,146.97 is: 12,615.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,457.33 : 19,940.31 = 9,146.97 : x
  2. Step 2: Convert to fraction form
    14,457.33/19,940.31 = 9,146.97/x
  3. Step 3: Cross multiply
    14,457.33x = 19,940.31 × 9,146.97
  4. Step 4: Simplify right side
    14,457.33x = 182,393,417.36
  5. Step 5: Solve for x
    x = 182,393,417.36/14,457.33
  6. Step 6: Final answer
    x = 12,615.98

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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.