Home / 13,259.01-18,300.23-8,410.61

Finding the Fourth Proportional to 13,259.01, 18,300.23 and 8,410.61

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Solution

The fourth proportional to 13,259.01, 18,300.23 and 8,410.61 is: 11,608.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,259.01 : 18,300.23 = 8,410.61 : x
  2. Step 2: Convert to fraction form
    13,259.01/18,300.23 = 8,410.61/x
  3. Step 3: Cross multiply
    13,259.01x = 18,300.23 × 8,410.61
  4. Step 4: Simplify right side
    13,259.01x = 153,916,097.44
  5. Step 5: Solve for x
    x = 153,916,097.44/13,259.01
  6. Step 6: Final answer
    x = 11,608.42

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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.