Home / 14,284.28-19,749.94-12,510.81

Finding the Fourth Proportional to 14,284.28, 19,749.94 and 12,510.81

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Solution

The fourth proportional to 14,284.28, 19,749.94 and 12,510.81 is: 17,297.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,284.28 : 19,749.94 = 12,510.81 : x
  2. Step 2: Convert to fraction form
    14,284.28/19,749.94 = 12,510.81/x
  3. Step 3: Cross multiply
    14,284.28x = 19,749.94 × 12,510.81
  4. Step 4: Simplify right side
    14,284.28x = 247,087,715.57
  5. Step 5: Solve for x
    x = 247,087,715.57/14,284.28
  6. Step 6: Final answer
    x = 17,297.87

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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.