Home / 18,885.96-26,066.40-14,401.71

Finding the Fourth Proportional to 18,885.96, 26,066.40 and 14,401.71

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Solution

The fourth proportional to 18,885.96, 26,066.40 and 14,401.71 is: 19,877.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,885.96 : 26,066.40 = 14,401.71 : x
  2. Step 2: Convert to fraction form
    18,885.96/26,066.40 = 14,401.71/x
  3. Step 3: Cross multiply
    18,885.96x = 26,066.40 × 14,401.71
  4. Step 4: Simplify right side
    18,885.96x = 375,400,733.54
  5. Step 5: Solve for x
    x = 375,400,733.54/18,885.96
  6. Step 6: Final answer
    x = 19,877.24

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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.