Home / 19,475.37-26,878.50-12,766.68

Finding the Fourth Proportional to 19,475.37, 26,878.50 and 12,766.68

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Solution

The fourth proportional to 19,475.37, 26,878.50 and 12,766.68 is: 17,619.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,475.37 : 26,878.50 = 12,766.68 : x
  2. Step 2: Convert to fraction form
    19,475.37/26,878.50 = 12,766.68/x
  3. Step 3: Cross multiply
    19,475.37x = 26,878.50 × 12,766.68
  4. Step 4: Simplify right side
    19,475.37x = 343,149,208.38
  5. Step 5: Solve for x
    x = 343,149,208.38/19,475.37
  6. Step 6: Final answer
    x = 17,619.65

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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.