Home / 14,333.84-21,507.96-8,490.32

Finding the Fourth Proportional to 14,333.84, 21,507.96 and 8,490.32

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Solution

The fourth proportional to 14,333.84, 21,507.96 and 8,490.32 is: 12,739.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,333.84 : 21,507.96 = 8,490.32 : x
  2. Step 2: Convert to fraction form
    14,333.84/21,507.96 = 8,490.32/x
  3. Step 3: Cross multiply
    14,333.84x = 21,507.96 × 8,490.32
  4. Step 4: Simplify right side
    14,333.84x = 182,609,462.95
  5. Step 5: Solve for x
    x = 182,609,462.95/14,333.84
  6. Step 6: Final answer
    x = 12,739.74

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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.