Home / 10,450.21-15,670.69-4,899.07

Finding the Fourth Proportional to 10,450.21, 15,670.69 and 4,899.07

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Solution

The fourth proportional to 10,450.21, 15,670.69 and 4,899.07 is: 7,346.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,450.21 : 15,670.69 = 4,899.07 : x
  2. Step 2: Convert to fraction form
    10,450.21/15,670.69 = 4,899.07/x
  3. Step 3: Cross multiply
    10,450.21x = 15,670.69 × 4,899.07
  4. Step 4: Simplify right side
    10,450.21x = 76,771,807.26
  5. Step 5: Solve for x
    x = 76,771,807.26/10,450.21
  6. Step 6: Final answer
    x = 7,346.44

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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.