Home / 15,741.93-21,724.44-9,776.89

Finding the Fourth Proportional to 15,741.93, 21,724.44 and 9,776.89

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Solution

The fourth proportional to 15,741.93, 21,724.44 and 9,776.89 is: 13,492.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,741.93 : 21,724.44 = 9,776.89 : x
  2. Step 2: Convert to fraction form
    15,741.93/21,724.44 = 9,776.89/x
  3. Step 3: Cross multiply
    15,741.93x = 21,724.44 × 9,776.89
  4. Step 4: Simplify right side
    15,741.93x = 212,397,460.19
  5. Step 5: Solve for x
    x = 212,397,460.19/15,741.93
  6. Step 6: Final answer
    x = 13,492.47

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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.