Home / 13,529.58-20,294.72-6,412.16

Finding the Fourth Proportional to 13,529.58, 20,294.72 and 6,412.16

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Solution

The fourth proportional to 13,529.58, 20,294.72 and 6,412.16 is: 9,618.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.58 : 20,294.72 = 6,412.16 : x
  2. Step 2: Convert to fraction form
    13,529.58/20,294.72 = 6,412.16/x
  3. Step 3: Cross multiply
    13,529.58x = 20,294.72 × 6,412.16
  4. Step 4: Simplify right side
    13,529.58x = 130,133,007.83
  5. Step 5: Solve for x
    x = 130,133,007.83/13,529.58
  6. Step 6: Final answer
    x = 9,618.41

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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.