Home / 14,747.26-20,353.08-8,459.50

Finding the Fourth Proportional to 14,747.26, 20,353.08 and 8,459.50

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Solution

The fourth proportional to 14,747.26, 20,353.08 and 8,459.50 is: 11,675.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,747.26 : 20,353.08 = 8,459.50 : x
  2. Step 2: Convert to fraction form
    14,747.26/20,353.08 = 8,459.50/x
  3. Step 3: Cross multiply
    14,747.26x = 20,353.08 × 8,459.50
  4. Step 4: Simplify right side
    14,747.26x = 172,176,880.26
  5. Step 5: Solve for x
    x = 172,176,880.26/14,747.26
  6. Step 6: Final answer
    x = 11,675.18

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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.