Home / 10,554.25-15,817.68-4,307.11

Finding the Fourth Proportional to 10,554.25, 15,817.68 and 4,307.11

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Solution

The fourth proportional to 10,554.25, 15,817.68 and 4,307.11 is: 6,455.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,554.25 : 15,817.68 = 4,307.11 : x
  2. Step 2: Convert to fraction form
    10,554.25/15,817.68 = 4,307.11/x
  3. Step 3: Cross multiply
    10,554.25x = 15,817.68 × 4,307.11
  4. Step 4: Simplify right side
    10,554.25x = 68,128,487.70
  5. Step 5: Solve for x
    x = 68,128,487.70/10,554.25
  6. Step 6: Final answer
    x = 6,455.08

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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.