Home / 9,678.45-14,507.87-6,558.77

Finding the Fourth Proportional to 9,678.45, 14,507.87 and 6,558.77

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Solution

The fourth proportional to 9,678.45, 14,507.87 and 6,558.77 is: 9,831.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,678.45 : 14,507.87 = 6,558.77 : x
  2. Step 2: Convert to fraction form
    9,678.45/14,507.87 = 6,558.77/x
  3. Step 3: Cross multiply
    9,678.45x = 14,507.87 × 6,558.77
  4. Step 4: Simplify right side
    9,678.45x = 95,153,749.73
  5. Step 5: Solve for x
    x = 95,153,749.73/9,678.45
  6. Step 6: Final answer
    x = 9,831.51

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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.