Home / 13,666.32-20,483.55-6,271.56

Finding the Fourth Proportional to 13,666.32, 20,483.55 and 6,271.56

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Solution

The fourth proportional to 13,666.32, 20,483.55 and 6,271.56 is: 9,400.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,666.32 : 20,483.55 = 6,271.56 : x
  2. Step 2: Convert to fraction form
    13,666.32/20,483.55 = 6,271.56/x
  3. Step 3: Cross multiply
    13,666.32x = 20,483.55 × 6,271.56
  4. Step 4: Simplify right side
    13,666.32x = 128,463,812.84
  5. Step 5: Solve for x
    x = 128,463,812.84/13,666.32
  6. Step 6: Final answer
    x = 9,400.03

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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.