Home / 19,242.71-26,559.36-11,287.49

Finding the Fourth Proportional to 19,242.71, 26,559.36 and 11,287.49

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Solution

The fourth proportional to 19,242.71, 26,559.36 and 11,287.49 is: 15,579.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,242.71 : 26,559.36 = 11,287.49 : x
  2. Step 2: Convert to fraction form
    19,242.71/26,559.36 = 11,287.49/x
  3. Step 3: Cross multiply
    19,242.71x = 26,559.36 × 11,287.49
  4. Step 4: Simplify right side
    19,242.71x = 299,788,576.80
  5. Step 5: Solve for x
    x = 299,788,576.80/19,242.71
  6. Step 6: Final answer
    x = 15,579.34

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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.