Home / 18,769.95-25,911.91-10,810.64

Finding the Fourth Proportional to 18,769.95, 25,911.91 and 10,810.64

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Solution

The fourth proportional to 18,769.95, 25,911.91 and 10,810.64 is: 14,924.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,769.95 : 25,911.91 = 10,810.64 : x
  2. Step 2: Convert to fraction form
    18,769.95/25,911.91 = 10,810.64/x
  3. Step 3: Cross multiply
    18,769.95x = 25,911.91 × 10,810.64
  4. Step 4: Simplify right side
    18,769.95x = 280,124,330.72
  5. Step 5: Solve for x
    x = 280,124,330.72/18,769.95
  6. Step 6: Final answer
    x = 14,924.09

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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.