Home / 18,925.57-26,119.43-12,208.51

Finding the Fourth Proportional to 18,925.57, 26,119.43 and 12,208.51

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Solution

The fourth proportional to 18,925.57, 26,119.43 and 12,208.51 is: 16,849.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,925.57 : 26,119.43 = 12,208.51 : x
  2. Step 2: Convert to fraction form
    18,925.57/26,119.43 = 12,208.51/x
  3. Step 3: Cross multiply
    18,925.57x = 26,119.43 × 12,208.51
  4. Step 4: Simplify right side
    18,925.57x = 318,879,322.35
  5. Step 5: Solve for x
    x = 318,879,322.35/18,925.57
  6. Step 6: Final answer
    x = 16,849.13

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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.