Home / 14,464.40-21,696.60-14,310.80

Finding the Fourth Proportional to 14,464.40, 21,696.60 and 14,310.80

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Solution

The fourth proportional to 14,464.40, 21,696.60 and 14,310.80 is: 21,466.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,464.40 : 21,696.60 = 14,310.80 : x
  2. Step 2: Convert to fraction form
    14,464.40/21,696.60 = 14,310.80/x
  3. Step 3: Cross multiply
    14,464.40x = 21,696.60 × 14,310.80
  4. Step 4: Simplify right side
    14,464.40x = 310,495,703.28
  5. Step 5: Solve for x
    x = 310,495,703.28/14,464.40
  6. Step 6: Final answer
    x = 21,466.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.