Home / 17,492.96-26,217.57-13,780.53

Finding the Fourth Proportional to 17,492.96, 26,217.57 and 13,780.53

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Solution

The fourth proportional to 17,492.96, 26,217.57 and 13,780.53 is: 20,653.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,492.96 : 26,217.57 = 13,780.53 : x
  2. Step 2: Convert to fraction form
    17,492.96/26,217.57 = 13,780.53/x
  3. Step 3: Cross multiply
    17,492.96x = 26,217.57 × 13,780.53
  4. Step 4: Simplify right side
    17,492.96x = 361,292,061.59
  5. Step 5: Solve for x
    x = 361,292,061.59/17,492.96
  6. Step 6: Final answer
    x = 20,653.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.