Home / 10,698.78-16,051.81-5,768.89

Finding the Fourth Proportional to 10,698.78, 16,051.81 and 5,768.89

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Solution

The fourth proportional to 10,698.78, 16,051.81 and 5,768.89 is: 8,655.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,698.78 : 16,051.81 = 5,768.89 : x
  2. Step 2: Convert to fraction form
    10,698.78/16,051.81 = 5,768.89/x
  3. Step 3: Cross multiply
    10,698.78x = 16,051.81 × 5,768.89
  4. Step 4: Simplify right side
    10,698.78x = 92,601,126.19
  5. Step 5: Solve for x
    x = 92,601,126.19/10,698.78
  6. Step 6: Final answer
    x = 8,655.30

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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.