Home / 15,741.84-21,747.60-11,756.07

Finding the Fourth Proportional to 15,741.84, 21,747.60 and 11,756.07

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Solution

The fourth proportional to 15,741.84, 21,747.60 and 11,756.07 is: 16,241.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,741.84 : 21,747.60 = 11,756.07 : x
  2. Step 2: Convert to fraction form
    15,741.84/21,747.60 = 11,756.07/x
  3. Step 3: Cross multiply
    15,741.84x = 21,747.60 × 11,756.07
  4. Step 4: Simplify right side
    15,741.84x = 255,666,307.93
  5. Step 5: Solve for x
    x = 255,666,307.93/15,741.84
  6. Step 6: Final answer
    x = 16,241.20

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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.