Home / 14,688.62-20,263.71-8,716.94

Finding the Fourth Proportional to 14,688.62, 20,263.71 and 8,716.94

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Solution

The fourth proportional to 14,688.62, 20,263.71 and 8,716.94 is: 12,025.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,688.62 : 20,263.71 = 8,716.94 : x
  2. Step 2: Convert to fraction form
    14,688.62/20,263.71 = 8,716.94/x
  3. Step 3: Cross multiply
    14,688.62x = 20,263.71 × 8,716.94
  4. Step 4: Simplify right side
    14,688.62x = 176,637,544.25
  5. Step 5: Solve for x
    x = 176,637,544.25/14,688.62
  6. Step 6: Final answer
    x = 12,025.47

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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.