Home / 14,168.04-21,336.40-12,341.21

Finding the Fourth Proportional to 14,168.04, 21,336.40 and 12,341.21

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Solution

The fourth proportional to 14,168.04, 21,336.40 and 12,341.21 is: 18,585.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,168.04 : 21,336.40 = 12,341.21 : x
  2. Step 2: Convert to fraction form
    14,168.04/21,336.40 = 12,341.21/x
  3. Step 3: Cross multiply
    14,168.04x = 21,336.40 × 12,341.21
  4. Step 4: Simplify right side
    14,168.04x = 263,316,993.04
  5. Step 5: Solve for x
    x = 263,316,993.04/14,168.04
  6. Step 6: Final answer
    x = 18,585.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.