Home / 14,140.99-21,216.04-4,281.26

Finding the Fourth Proportional to 14,140.99, 21,216.04 and 4,281.26

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Solution

The fourth proportional to 14,140.99, 21,216.04 and 4,281.26 is: 6,423.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,140.99 : 21,216.04 = 4,281.26 : x
  2. Step 2: Convert to fraction form
    14,140.99/21,216.04 = 4,281.26/x
  3. Step 3: Cross multiply
    14,140.99x = 21,216.04 × 4,281.26
  4. Step 4: Simplify right side
    14,140.99x = 90,831,425.75
  5. Step 5: Solve for x
    x = 90,831,425.75/14,140.99
  6. Step 6: Final answer
    x = 6,423.27

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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.