Home / 14,003.57-21,008.94-4,646.21

Finding the Fourth Proportional to 14,003.57, 21,008.94 and 4,646.21

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Solution

The fourth proportional to 14,003.57, 21,008.94 and 4,646.21 is: 6,970.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003.57 : 21,008.94 = 4,646.21 : x
  2. Step 2: Convert to fraction form
    14,003.57/21,008.94 = 4,646.21/x
  3. Step 3: Cross multiply
    14,003.57x = 21,008.94 × 4,646.21
  4. Step 4: Simplify right side
    14,003.57x = 97,611,842.07
  5. Step 5: Solve for x
    x = 97,611,842.07/14,003.57
  6. Step 6: Final answer
    x = 6,970.50

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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.