Home / 19,397.78-26,762.55-11,329.58

Finding the Fourth Proportional to 19,397.78, 26,762.55 and 11,329.58

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Solution

The fourth proportional to 19,397.78, 26,762.55 and 11,329.58 is: 15,631.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,397.78 : 26,762.55 = 11,329.58 : x
  2. Step 2: Convert to fraction form
    19,397.78/26,762.55 = 11,329.58/x
  3. Step 3: Cross multiply
    19,397.78x = 26,762.55 × 11,329.58
  4. Step 4: Simplify right side
    19,397.78x = 303,208,451.23
  5. Step 5: Solve for x
    x = 303,208,451.23/19,397.78
  6. Step 6: Final answer
    x = 15,631.09

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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.