Home / 19,735.55-27,236.93-10,784.39

Finding the Fourth Proportional to 19,735.55, 27,236.93 and 10,784.39

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Solution

The fourth proportional to 19,735.55, 27,236.93 and 10,784.39 is: 14,883.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,735.55 : 27,236.93 = 10,784.39 : x
  2. Step 2: Convert to fraction form
    19,735.55/27,236.93 = 10,784.39/x
  3. Step 3: Cross multiply
    19,735.55x = 27,236.93 × 10,784.39
  4. Step 4: Simplify right side
    19,735.55x = 293,733,689.69
  5. Step 5: Solve for x
    x = 293,733,689.69/19,735.55
  6. Step 6: Final answer
    x = 14,883.49

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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.