Home / 9,840.32-14,749.68-5,456.24

Finding the Fourth Proportional to 9,840.32, 14,749.68 and 5,456.24

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Solution

The fourth proportional to 9,840.32, 14,749.68 and 5,456.24 is: 8,178.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,840.32 : 14,749.68 = 5,456.24 : x
  2. Step 2: Convert to fraction form
    9,840.32/14,749.68 = 5,456.24/x
  3. Step 3: Cross multiply
    9,840.32x = 14,749.68 × 5,456.24
  4. Step 4: Simplify right side
    9,840.32x = 80,477,794.00
  5. Step 5: Solve for x
    x = 80,477,794.00/9,840.32
  6. Step 6: Final answer
    x = 8,178.37

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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.