Home / 14,317.50-21,478.01-4,455.21

Finding the Fourth Proportional to 14,317.50, 21,478.01 and 4,455.21

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Solution

The fourth proportional to 14,317.50, 21,478.01 and 4,455.21 is: 6,683.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,317.50 : 21,478.01 = 4,455.21 : x
  2. Step 2: Convert to fraction form
    14,317.50/21,478.01 = 4,455.21/x
  3. Step 3: Cross multiply
    14,317.50x = 21,478.01 × 4,455.21
  4. Step 4: Simplify right side
    14,317.50x = 95,689,022.66
  5. Step 5: Solve for x
    x = 95,689,022.66/14,317.50
  6. Step 6: Final answer
    x = 6,683.36

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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.