Home / 14,000.54-21,004.91-4,140.08

Finding the Fourth Proportional to 14,000.54, 21,004.91 and 4,140.08

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Solution

The fourth proportional to 14,000.54, 21,004.91 and 4,140.08 is: 6,211.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000.54 : 21,004.91 = 4,140.08 : x
  2. Step 2: Convert to fraction form
    14,000.54/21,004.91 = 4,140.08/x
  3. Step 3: Cross multiply
    14,000.54x = 21,004.91 × 4,140.08
  4. Step 4: Simplify right side
    14,000.54x = 86,961,913.12
  5. Step 5: Solve for x
    x = 86,961,913.12/14,000.54
  6. Step 6: Final answer
    x = 6,211.32

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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.