Home / 13,779.41-20,668.65-5,988.23

Finding the Fourth Proportional to 13,779.41, 20,668.65 and 5,988.23

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Solution

The fourth proportional to 13,779.41, 20,668.65 and 5,988.23 is: 8,982.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,779.41 : 20,668.65 = 5,988.23 : x
  2. Step 2: Convert to fraction form
    13,779.41/20,668.65 = 5,988.23/x
  3. Step 3: Cross multiply
    13,779.41x = 20,668.65 × 5,988.23
  4. Step 4: Simplify right side
    13,779.41x = 123,768,526.65
  5. Step 5: Solve for x
    x = 123,768,526.65/13,779.41
  6. Step 6: Final answer
    x = 8,982.14

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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.