Home / 13,362.40-20,025.36-10,072.76

Finding the Fourth Proportional to 13,362.40, 20,025.36 and 10,072.76

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Solution

The fourth proportional to 13,362.40, 20,025.36 and 10,072.76 is: 15,095.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362.40 : 20,025.36 = 10,072.76 : x
  2. Step 2: Convert to fraction form
    13,362.40/20,025.36 = 10,072.76/x
  3. Step 3: Cross multiply
    13,362.40x = 20,025.36 × 10,072.76
  4. Step 4: Simplify right side
    13,362.40x = 201,710,645.19
  5. Step 5: Solve for x
    x = 201,710,645.19/13,362.40
  6. Step 6: Final answer
    x = 15,095.39

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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.