Home / 21,036.98-31,554.39-6,246.02

Finding the Fourth Proportional to 21,036.98, 31,554.39 and 6,246.02

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Solution

The fourth proportional to 21,036.98, 31,554.39 and 6,246.02 is: 9,368.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,036.98 : 31,554.39 = 6,246.02 : x
  2. Step 2: Convert to fraction form
    21,036.98/31,554.39 = 6,246.02/x
  3. Step 3: Cross multiply
    21,036.98x = 31,554.39 × 6,246.02
  4. Step 4: Simplify right side
    21,036.98x = 197,089,351.03
  5. Step 5: Solve for x
    x = 197,089,351.03/21,036.98
  6. Step 6: Final answer
    x = 9,368.71

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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.