Home / 14,128.23-19,504.22-9,955.11

Finding the Fourth Proportional to 14,128.23, 19,504.22 and 9,955.11

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Solution

The fourth proportional to 14,128.23, 19,504.22 and 9,955.11 is: 13,743.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,128.23 : 19,504.22 = 9,955.11 : x
  2. Step 2: Convert to fraction form
    14,128.23/19,504.22 = 9,955.11/x
  3. Step 3: Cross multiply
    14,128.23x = 19,504.22 × 9,955.11
  4. Step 4: Simplify right side
    14,128.23x = 194,166,605.79
  5. Step 5: Solve for x
    x = 194,166,605.79/14,128.23
  6. Step 6: Final answer
    x = 13,743.17

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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.