Home / 10,289.40-14,199.38-5,813.16

Finding the Fourth Proportional to 10,289.40, 14,199.38 and 5,813.16

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Solution

The fourth proportional to 10,289.40, 14,199.38 and 5,813.16 is: 8,022.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.40 : 14,199.38 = 5,813.16 : x
  2. Step 2: Convert to fraction form
    10,289.40/14,199.38 = 5,813.16/x
  3. Step 3: Cross multiply
    10,289.40x = 14,199.38 × 5,813.16
  4. Step 4: Simplify right side
    10,289.40x = 82,543,267.84
  5. Step 5: Solve for x
    x = 82,543,267.84/10,289.40
  6. Step 6: Final answer
    x = 8,022.17

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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.