Home / 21,242.39-31,865.00-6,250.84

Finding the Fourth Proportional to 21,242.39, 31,865.00 and 6,250.84

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Solution

The fourth proportional to 21,242.39, 31,865.00 and 6,250.84 is: 9,376.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,242.39 : 31,865.00 = 6,250.84 : x
  2. Step 2: Convert to fraction form
    21,242.39/31,865.00 = 6,250.84/x
  3. Step 3: Cross multiply
    21,242.39x = 31,865.00 × 6,250.84
  4. Step 4: Simplify right side
    21,242.39x = 199,182,905.68
  5. Step 5: Solve for x
    x = 199,182,905.68/21,242.39
  6. Step 6: Final answer
    x = 9,376.67

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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.