Home / 9,911.56-13,678.58-6,548.47

Finding the Fourth Proportional to 9,911.56, 13,678.58 and 6,548.47

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Solution

The fourth proportional to 9,911.56, 13,678.58 and 6,548.47 is: 9,037.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,911.56 : 13,678.58 = 6,548.47 : x
  2. Step 2: Convert to fraction form
    9,911.56/13,678.58 = 6,548.47/x
  3. Step 3: Cross multiply
    9,911.56x = 13,678.58 × 6,548.47
  4. Step 4: Simplify right side
    9,911.56x = 89,573,703.83
  5. Step 5: Solve for x
    x = 89,573,703.83/9,911.56
  6. Step 6: Final answer
    x = 9,037.30

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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.