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Finding the Fourth Proportional to 18,259.68, 27,389.52 and 7,323.36

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Solution

The fourth proportional to 18,259.68, 27,389.52 and 7,323.36 is: 10,985.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,259.68 : 27,389.52 = 7,323.36 : x
  2. Step 2: Convert to fraction form
    18,259.68/27,389.52 = 7,323.36/x
  3. Step 3: Cross multiply
    18,259.68x = 27,389.52 × 7,323.36
  4. Step 4: Simplify right side
    18,259.68x = 200,583,315.19
  5. Step 5: Solve for x
    x = 200,583,315.19/18,259.68
  6. Step 6: Final answer
    x = 10,985.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.