Home / 12,355.69-17,050.93-6,904.76

Finding the Fourth Proportional to 12,355.69, 17,050.93 and 6,904.76

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Solution

The fourth proportional to 12,355.69, 17,050.93 and 6,904.76 is: 9,528.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,355.69 : 17,050.93 = 6,904.76 : x
  2. Step 2: Convert to fraction form
    12,355.69/17,050.93 = 6,904.76/x
  3. Step 3: Cross multiply
    12,355.69x = 17,050.93 × 6,904.76
  4. Step 4: Simplify right side
    12,355.69x = 117,732,579.43
  5. Step 5: Solve for x
    x = 117,732,579.43/12,355.69
  6. Step 6: Final answer
    x = 9,528.61

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Double scale
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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.