Home / 19,486.86-26,885.49-11,925.31

Finding the Fourth Proportional to 19,486.86, 26,885.49 and 11,925.31

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Solution

The fourth proportional to 19,486.86, 26,885.49 and 11,925.31 is: 16,453.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,486.86 : 26,885.49 = 11,925.31 : x
  2. Step 2: Convert to fraction form
    19,486.86/26,885.49 = 11,925.31/x
  3. Step 3: Cross multiply
    19,486.86x = 26,885.49 × 11,925.31
  4. Step 4: Simplify right side
    19,486.86x = 320,617,668.32
  5. Step 5: Solve for x
    x = 320,617,668.32/19,486.86
  6. Step 6: Final answer
    x = 16,453.02

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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.