Home / 14,647.23-21,971.25-9,116.55

Finding the Fourth Proportional to 14,647.23, 21,971.25 and 9,116.55

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Solution

The fourth proportional to 14,647.23, 21,971.25 and 9,116.55 is: 13,675.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,647.23 : 21,971.25 = 9,116.55 : x
  2. Step 2: Convert to fraction form
    14,647.23/21,971.25 = 9,116.55/x
  3. Step 3: Cross multiply
    14,647.23x = 21,971.25 × 9,116.55
  4. Step 4: Simplify right side
    14,647.23x = 200,301,999.19
  5. Step 5: Solve for x
    x = 200,301,999.19/14,647.23
  6. Step 6: Final answer
    x = 13,675.08

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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.