Home / 13,441.75-20,155.23-10,313.93

Finding the Fourth Proportional to 13,441.75, 20,155.23 and 10,313.93

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Solution

The fourth proportional to 13,441.75, 20,155.23 and 10,313.93 is: 15,465.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.75 : 20,155.23 = 10,313.93 : x
  2. Step 2: Convert to fraction form
    13,441.75/20,155.23 = 10,313.93/x
  3. Step 3: Cross multiply
    13,441.75x = 20,155.23 × 10,313.93
  4. Step 4: Simplify right side
    13,441.75x = 207,879,681.74
  5. Step 5: Solve for x
    x = 207,879,681.74/13,441.75
  6. Step 6: Final answer
    x = 15,465.23

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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.