Home / 18,977.95-26,189.78-10,480.06

Finding the Fourth Proportional to 18,977.95, 26,189.78 and 10,480.06

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Solution

The fourth proportional to 18,977.95, 26,189.78 and 10,480.06 is: 14,462.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,977.95 : 26,189.78 = 10,480.06 : x
  2. Step 2: Convert to fraction form
    18,977.95/26,189.78 = 10,480.06/x
  3. Step 3: Cross multiply
    18,977.95x = 26,189.78 × 10,480.06
  4. Step 4: Simplify right side
    18,977.95x = 274,470,524.72
  5. Step 5: Solve for x
    x = 274,470,524.72/18,977.95
  6. Step 6: Final answer
    x = 14,462.60

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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.