Home / 13,243.43-18,292.10-9,901.08

Finding the Fourth Proportional to 13,243.43, 18,292.10 and 9,901.08

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Solution

The fourth proportional to 13,243.43, 18,292.10 and 9,901.08 is: 13,675.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,243.43 : 18,292.10 = 9,901.08 : x
  2. Step 2: Convert to fraction form
    13,243.43/18,292.10 = 9,901.08/x
  3. Step 3: Cross multiply
    13,243.43x = 18,292.10 × 9,901.08
  4. Step 4: Simplify right side
    13,243.43x = 181,111,495.96
  5. Step 5: Solve for x
    x = 181,111,495.96/13,243.43
  6. Step 6: Final answer
    x = 13,675.57

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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.