Home / 10,515.40-14,511.68-5,799.98

Finding the Fourth Proportional to 10,515.40, 14,511.68 and 5,799.98

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Solution

The fourth proportional to 10,515.40, 14,511.68 and 5,799.98 is: 8,004.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,515.40 : 14,511.68 = 5,799.98 : x
  2. Step 2: Convert to fraction form
    10,515.40/14,511.68 = 5,799.98/x
  3. Step 3: Cross multiply
    10,515.40x = 14,511.68 × 5,799.98
  4. Step 4: Simplify right side
    10,515.40x = 84,167,453.77
  5. Step 5: Solve for x
    x = 84,167,453.77/10,515.40
  6. Step 6: Final answer
    x = 8,004.21

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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.