Home / 22,368.34-30,855.36-13,970.26

Finding the Fourth Proportional to 22,368.34, 30,855.36 and 13,970.26

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Solution

The fourth proportional to 22,368.34, 30,855.36 and 13,970.26 is: 19,270.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,368.34 : 30,855.36 = 13,970.26 : x
  2. Step 2: Convert to fraction form
    22,368.34/30,855.36 = 13,970.26/x
  3. Step 3: Cross multiply
    22,368.34x = 30,855.36 × 13,970.26
  4. Step 4: Simplify right side
    22,368.34x = 431,057,401.59
  5. Step 5: Solve for x
    x = 431,057,401.59/22,368.34
  6. Step 6: Final answer
    x = 19,270.87

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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.