Home / 19,865.36-27,412.84-10,913.24

Finding the Fourth Proportional to 19,865.36, 27,412.84 and 10,913.24

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Solution

The fourth proportional to 19,865.36, 27,412.84 and 10,913.24 is: 15,059.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,865.36 : 27,412.84 = 10,913.24 : x
  2. Step 2: Convert to fraction form
    19,865.36/27,412.84 = 10,913.24/x
  3. Step 3: Cross multiply
    19,865.36x = 27,412.84 × 10,913.24
  4. Step 4: Simplify right side
    19,865.36x = 299,162,902.00
  5. Step 5: Solve for x
    x = 299,162,902.00/19,865.36
  6. Step 6: Final answer
    x = 15,059.53

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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.