Home / 14,175.56-21,256.80-4,312.64

Finding the Fourth Proportional to 14,175.56, 21,256.80 and 4,312.64

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Solution

The fourth proportional to 14,175.56, 21,256.80 and 4,312.64 is: 6,466.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,175.56 : 21,256.80 = 4,312.64 : x
  2. Step 2: Convert to fraction form
    14,175.56/21,256.80 = 4,312.64/x
  3. Step 3: Cross multiply
    14,175.56x = 21,256.80 × 4,312.64
  4. Step 4: Simplify right side
    14,175.56x = 91,672,925.95
  5. Step 5: Solve for x
    x = 91,672,925.95/14,175.56
  6. Step 6: Final answer
    x = 6,466.97

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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.