Home / 14,485.64-21,728.45-6,693.44

Finding the Fourth Proportional to 14,485.64, 21,728.45 and 6,693.44

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Solution

The fourth proportional to 14,485.64, 21,728.45 and 6,693.44 is: 10,040.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,485.64 : 21,728.45 = 6,693.44 : x
  2. Step 2: Convert to fraction form
    14,485.64/21,728.45 = 6,693.44/x
  3. Step 3: Cross multiply
    14,485.64x = 21,728.45 × 6,693.44
  4. Step 4: Simplify right side
    14,485.64x = 145,437,984.46
  5. Step 5: Solve for x
    x = 145,437,984.46/14,485.64
  6. Step 6: Final answer
    x = 10,040.15

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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.