Home / 18,830.50-25,984.96-10,765.02

Finding the Fourth Proportional to 18,830.50, 25,984.96 and 10,765.02

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Solution

The fourth proportional to 18,830.50, 25,984.96 and 10,765.02 is: 14,855.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,830.50 : 25,984.96 = 10,765.02 : x
  2. Step 2: Convert to fraction form
    18,830.50/25,984.96 = 10,765.02/x
  3. Step 3: Cross multiply
    18,830.50x = 25,984.96 × 10,765.02
  4. Step 4: Simplify right side
    18,830.50x = 279,728,614.10
  5. Step 5: Solve for x
    x = 279,728,614.10/18,830.50
  6. Step 6: Final answer
    x = 14,855.08

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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.