Home / 18,353.61-25,329.77-10,288.64

Finding the Fourth Proportional to 18,353.61, 25,329.77 and 10,288.64

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Solution

The fourth proportional to 18,353.61, 25,329.77 and 10,288.64 is: 14,199.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,353.61 : 25,329.77 = 10,288.64 : x
  2. Step 2: Convert to fraction form
    18,353.61/25,329.77 = 10,288.64/x
  3. Step 3: Cross multiply
    18,353.61x = 25,329.77 × 10,288.64
  4. Step 4: Simplify right side
    18,353.61x = 260,608,706.72
  5. Step 5: Solve for x
    x = 260,608,706.72/18,353.61
  6. Step 6: Final answer
    x = 14,199.32

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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.