Home / 21,631.64-32,457.80-11,770.92

Finding the Fourth Proportional to 21,631.64, 32,457.80 and 11,770.92

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Solution

The fourth proportional to 21,631.64, 32,457.80 and 11,770.92 is: 17,662.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,631.64 : 32,457.80 = 11,770.92 : x
  2. Step 2: Convert to fraction form
    21,631.64/32,457.80 = 11,770.92/x
  3. Step 3: Cross multiply
    21,631.64x = 32,457.80 × 11,770.92
  4. Step 4: Simplify right side
    21,631.64x = 382,058,196.60
  5. Step 5: Solve for x
    x = 382,058,196.60/21,631.64
  6. Step 6: Final answer
    x = 17,662.01

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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.