Home / 14,783.26-20,395.65-8,491.99

Finding the Fourth Proportional to 14,783.26, 20,395.65 and 8,491.99

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Solution

The fourth proportional to 14,783.26, 20,395.65 and 8,491.99 is: 11,715.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,783.26 : 20,395.65 = 8,491.99 : x
  2. Step 2: Convert to fraction form
    14,783.26/20,395.65 = 8,491.99/x
  3. Step 3: Cross multiply
    14,783.26x = 20,395.65 × 8,491.99
  4. Step 4: Simplify right side
    14,783.26x = 173,199,655.84
  5. Step 5: Solve for x
    x = 173,199,655.84/14,783.26
  6. Step 6: Final answer
    x = 11,715.93

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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.