Home / 15,589.14-21,522.69-9,927.06

Finding the Fourth Proportional to 15,589.14, 21,522.69 and 9,927.06

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Solution

The fourth proportional to 15,589.14, 21,522.69 and 9,927.06 is: 13,705.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,589.14 : 21,522.69 = 9,927.06 : x
  2. Step 2: Convert to fraction form
    15,589.14/21,522.69 = 9,927.06/x
  3. Step 3: Cross multiply
    15,589.14x = 21,522.69 × 9,927.06
  4. Step 4: Simplify right side
    15,589.14x = 213,657,034.99
  5. Step 5: Solve for x
    x = 213,657,034.99/15,589.14
  6. Step 6: Final answer
    x = 13,705.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.