Home / 19,048.21-26,259.12-13,365.34

Finding the Fourth Proportional to 19,048.21, 26,259.12 and 13,365.34

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Solution

The fourth proportional to 19,048.21, 26,259.12 and 13,365.34 is: 18,424.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,048.21 : 26,259.12 = 13,365.34 : x
  2. Step 2: Convert to fraction form
    19,048.21/26,259.12 = 13,365.34/x
  3. Step 3: Cross multiply
    19,048.21x = 26,259.12 × 13,365.34
  4. Step 4: Simplify right side
    19,048.21x = 350,962,066.90
  5. Step 5: Solve for x
    x = 350,962,066.90/19,048.21
  6. Step 6: Final answer
    x = 18,424.94

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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.