Home / 14,178.53-21,270.87-4,317.55

Finding the Fourth Proportional to 14,178.53, 21,270.87 and 4,317.55

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Solution

The fourth proportional to 14,178.53, 21,270.87 and 4,317.55 is: 6,477.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178.53 : 21,270.87 = 4,317.55 : x
  2. Step 2: Convert to fraction form
    14,178.53/21,270.87 = 4,317.55/x
  3. Step 3: Cross multiply
    14,178.53x = 21,270.87 × 4,317.55
  4. Step 4: Simplify right side
    14,178.53x = 91,838,044.77
  5. Step 5: Solve for x
    x = 91,838,044.77/14,178.53
  6. Step 6: Final answer
    x = 6,477.26

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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.