Home / 13,916.22-20,858.10-6,899.46

Finding the Fourth Proportional to 13,916.22, 20,858.10 and 6,899.46

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Solution

The fourth proportional to 13,916.22, 20,858.10 and 6,899.46 is: 10,341.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.22 : 20,858.10 = 6,899.46 : x
  2. Step 2: Convert to fraction form
    13,916.22/20,858.10 = 6,899.46/x
  3. Step 3: Cross multiply
    13,916.22x = 20,858.10 × 6,899.46
  4. Step 4: Simplify right side
    13,916.22x = 143,909,626.63
  5. Step 5: Solve for x
    x = 143,909,626.63/13,916.22
  6. Step 6: Final answer
    x = 10,341.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.