Home / 15,362.94-21,201.28-9,394.50

Finding the Fourth Proportional to 15,362.94, 21,201.28 and 9,394.50

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Solution

The fourth proportional to 15,362.94, 21,201.28 and 9,394.50 is: 12,964.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,362.94 : 21,201.28 = 9,394.50 : x
  2. Step 2: Convert to fraction form
    15,362.94/21,201.28 = 9,394.50/x
  3. Step 3: Cross multiply
    15,362.94x = 21,201.28 × 9,394.50
  4. Step 4: Simplify right side
    15,362.94x = 199,175,424.96
  5. Step 5: Solve for x
    x = 199,175,424.96/15,362.94
  6. Step 6: Final answer
    x = 12,964.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.