Home / 9,786.70-14,688.15-4,529.80

Finding the Fourth Proportional to 9,786.70, 14,688.15 and 4,529.80

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Solution

The fourth proportional to 9,786.70, 14,688.15 and 4,529.80 is: 6,798.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,786.70 : 14,688.15 = 4,529.80 : x
  2. Step 2: Convert to fraction form
    9,786.70/14,688.15 = 4,529.80/x
  3. Step 3: Cross multiply
    9,786.70x = 14,688.15 × 4,529.80
  4. Step 4: Simplify right side
    9,786.70x = 66,534,381.87
  5. Step 5: Solve for x
    x = 66,534,381.87/9,786.70
  6. Step 6: Final answer
    x = 6,798.45

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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.