Home / 22,376.40-30,881.04-13,423.68

Finding the Fourth Proportional to 22,376.40, 30,881.04 and 13,423.68

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Solution

The fourth proportional to 22,376.40, 30,881.04 and 13,423.68 is: 18,525.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,376.40 : 30,881.04 = 13,423.68 : x
  2. Step 2: Convert to fraction form
    22,376.40/30,881.04 = 13,423.68/x
  3. Step 3: Cross multiply
    22,376.40x = 30,881.04 × 13,423.68
  4. Step 4: Simplify right side
    22,376.40x = 414,537,199.03
  5. Step 5: Solve for x
    x = 414,537,199.03/22,376.40
  6. Step 6: Final answer
    x = 18,525.64

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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.