Home / 21,304.11-31,956.33-6,513.30

Finding the Fourth Proportional to 21,304.11, 31,956.33 and 6,513.30

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Solution

The fourth proportional to 21,304.11, 31,956.33 and 6,513.30 is: 9,770.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,304.11 : 31,956.33 = 6,513.30 : x
  2. Step 2: Convert to fraction form
    21,304.11/31,956.33 = 6,513.30/x
  3. Step 3: Cross multiply
    21,304.11x = 31,956.33 × 6,513.30
  4. Step 4: Simplify right side
    21,304.11x = 208,141,164.19
  5. Step 5: Solve for x
    x = 208,141,164.19/21,304.11
  6. Step 6: Final answer
    x = 9,770.00

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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.