Home / 19,394.44-26,776.57-13,423.93

Finding the Fourth Proportional to 19,394.44, 26,776.57 and 13,423.93

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Solution

The fourth proportional to 19,394.44, 26,776.57 and 13,423.93 is: 18,533.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,394.44 : 26,776.57 = 13,423.93 : x
  2. Step 2: Convert to fraction form
    19,394.44/26,776.57 = 13,423.93/x
  3. Step 3: Cross multiply
    19,394.44x = 26,776.57 × 13,423.93
  4. Step 4: Simplify right side
    19,394.44x = 359,446,801.32
  5. Step 5: Solve for x
    x = 359,446,801.32/19,394.44
  6. Step 6: Final answer
    x = 18,533.50

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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.