Home / 19,459.09-26,854.91-11,075.59

Finding the Fourth Proportional to 19,459.09, 26,854.91 and 11,075.59

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Solution

The fourth proportional to 19,459.09, 26,854.91 and 11,075.59 is: 15,285.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,459.09 : 26,854.91 = 11,075.59 : x
  2. Step 2: Convert to fraction form
    19,459.09/26,854.91 = 11,075.59/x
  3. Step 3: Cross multiply
    19,459.09x = 26,854.91 × 11,075.59
  4. Step 4: Simplify right side
    19,459.09x = 297,433,972.65
  5. Step 5: Solve for x
    x = 297,433,972.65/19,459.09
  6. Step 6: Final answer
    x = 15,285.09

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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.