Home / 13,544.34-20,316.04-4,779.06

Finding the Fourth Proportional to 13,544.34, 20,316.04 and 4,779.06

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Solution

The fourth proportional to 13,544.34, 20,316.04 and 4,779.06 is: 7,168.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,544.34 : 20,316.04 = 4,779.06 : x
  2. Step 2: Convert to fraction form
    13,544.34/20,316.04 = 4,779.06/x
  3. Step 3: Cross multiply
    13,544.34x = 20,316.04 × 4,779.06
  4. Step 4: Simplify right side
    13,544.34x = 97,091,574.12
  5. Step 5: Solve for x
    x = 97,091,574.12/13,544.34
  6. Step 6: Final answer
    x = 7,168.42

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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.