Home / 14,136.96-21,207.64-4,646.32

Finding the Fourth Proportional to 14,136.96, 21,207.64 and 4,646.32

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Solution

The fourth proportional to 14,136.96, 21,207.64 and 4,646.32 is: 6,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,136.96 : 21,207.64 = 4,646.32 : x
  2. Step 2: Convert to fraction form
    14,136.96/21,207.64 = 4,646.32/x
  3. Step 3: Cross multiply
    14,136.96x = 21,207.64 × 4,646.32
  4. Step 4: Simplify right side
    14,136.96x = 98,537,481.88
  5. Step 5: Solve for x
    x = 98,537,481.88/14,136.96
  6. Step 6: Final answer
    x = 6,970.20

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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.