Home / 13,779.01-20,668.24-4,545.01

Finding the Fourth Proportional to 13,779.01, 20,668.24 and 4,545.01

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Solution

The fourth proportional to 13,779.01, 20,668.24 and 4,545.01 is: 6,817.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,779.01 : 20,668.24 = 4,545.01 : x
  2. Step 2: Convert to fraction form
    13,779.01/20,668.24 = 4,545.01/x
  3. Step 3: Cross multiply
    13,779.01x = 20,668.24 × 4,545.01
  4. Step 4: Simplify right side
    13,779.01x = 93,937,357.48
  5. Step 5: Solve for x
    x = 93,937,357.48/13,779.01
  6. Step 6: Final answer
    x = 6,817.42

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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.