Home / 13,544.06-20,319.16-4,779.04

Finding the Fourth Proportional to 13,544.06, 20,319.16 and 4,779.04

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Solution

The fourth proportional to 13,544.06, 20,319.16 and 4,779.04 is: 7,169.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,544.06 : 20,319.16 = 4,779.04 : x
  2. Step 2: Convert to fraction form
    13,544.06/20,319.16 = 4,779.04/x
  3. Step 3: Cross multiply
    13,544.06x = 20,319.16 × 4,779.04
  4. Step 4: Simplify right side
    13,544.06x = 97,106,078.41
  5. Step 5: Solve for x
    x = 97,106,078.41/13,544.06
  6. Step 6: Final answer
    x = 7,169.64

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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.