Home / 12,319.23-18,477.23-3,555.03

Finding the Fourth Proportional to 12,319.23, 18,477.23 and 3,555.03

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Solution

The fourth proportional to 12,319.23, 18,477.23 and 3,555.03 is: 5,332.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,319.23 : 18,477.23 = 3,555.03 : x
  2. Step 2: Convert to fraction form
    12,319.23/18,477.23 = 3,555.03/x
  3. Step 3: Cross multiply
    12,319.23x = 18,477.23 × 3,555.03
  4. Step 4: Simplify right side
    12,319.23x = 65,687,089.19
  5. Step 5: Solve for x
    x = 65,687,089.19/12,319.23
  6. Step 6: Final answer
    x = 5,332.08

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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.