Home / 10,904.84-16,341.60-6,215.12

Finding the Fourth Proportional to 10,904.84, 16,341.60 and 6,215.12

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Solution

The fourth proportional to 10,904.84, 16,341.60 and 6,215.12 is: 9,313.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,904.84 : 16,341.60 = 6,215.12 : x
  2. Step 2: Convert to fraction form
    10,904.84/16,341.60 = 6,215.12/x
  3. Step 3: Cross multiply
    10,904.84x = 16,341.60 × 6,215.12
  4. Step 4: Simplify right side
    10,904.84x = 101,565,004.99
  5. Step 5: Solve for x
    x = 101,565,004.99/10,904.84
  6. Step 6: Final answer
    x = 9,313.75

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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.