Home / 10,206.12-15,307.74-3,184.50

Finding the Fourth Proportional to 10,206.12, 15,307.74 and 3,184.50

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Solution

The fourth proportional to 10,206.12, 15,307.74 and 3,184.50 is: 4,776.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206.12 : 15,307.74 = 3,184.50 : x
  2. Step 2: Convert to fraction form
    10,206.12/15,307.74 = 3,184.50/x
  3. Step 3: Cross multiply
    10,206.12x = 15,307.74 × 3,184.50
  4. Step 4: Simplify right side
    10,206.12x = 48,747,498.03
  5. Step 5: Solve for x
    x = 48,747,498.03/10,206.12
  6. Step 6: Final answer
    x = 4,776.30

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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.