Home / 13,264.90-18,296.49-10,902.94

Finding the Fourth Proportional to 13,264.90, 18,296.49 and 10,902.94

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Solution

The fourth proportional to 13,264.90, 18,296.49 and 10,902.94 is: 15,038.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,264.90 : 18,296.49 = 10,902.94 : x
  2. Step 2: Convert to fraction form
    13,264.90/18,296.49 = 10,902.94/x
  3. Step 3: Cross multiply
    13,264.90x = 18,296.49 × 10,902.94
  4. Step 4: Simplify right side
    13,264.90x = 199,485,532.68
  5. Step 5: Solve for x
    x = 199,485,532.68/13,264.90
  6. Step 6: Final answer
    x = 15,038.60

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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.