Home / 19,011.78-26,208.81-13,033.98

Finding the Fourth Proportional to 19,011.78, 26,208.81 and 13,033.98

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Solution

The fourth proportional to 19,011.78, 26,208.81 and 13,033.98 is: 17,968.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,011.78 : 26,208.81 = 13,033.98 : x
  2. Step 2: Convert to fraction form
    19,011.78/26,208.81 = 13,033.98/x
  3. Step 3: Cross multiply
    19,011.78x = 26,208.81 × 13,033.98
  4. Step 4: Simplify right side
    19,011.78x = 341,605,105.36
  5. Step 5: Solve for x
    x = 341,605,105.36/19,011.78
  6. Step 6: Final answer
    x = 17,968.08

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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.