Home / 14,141.61-19,515.74-8,173.53

Finding the Fourth Proportional to 14,141.61, 19,515.74 and 8,173.53

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Solution

The fourth proportional to 14,141.61, 19,515.74 and 8,173.53 is: 11,279.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,141.61 : 19,515.74 = 8,173.53 : x
  2. Step 2: Convert to fraction form
    14,141.61/19,515.74 = 8,173.53/x
  3. Step 3: Cross multiply
    14,141.61x = 19,515.74 × 8,173.53
  4. Step 4: Simplify right side
    14,141.61x = 159,512,445.49
  5. Step 5: Solve for x
    x = 159,512,445.49/14,141.61
  6. Step 6: Final answer
    x = 11,279.65

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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.