Home / 18,967.01-28,449.70-6,488.15

Finding the Fourth Proportional to 18,967.01, 28,449.70 and 6,488.15

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Solution

The fourth proportional to 18,967.01, 28,449.70 and 6,488.15 is: 9,731.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,967.01 : 28,449.70 = 6,488.15 : x
  2. Step 2: Convert to fraction form
    18,967.01/28,449.70 = 6,488.15/x
  3. Step 3: Cross multiply
    18,967.01x = 28,449.70 × 6,488.15
  4. Step 4: Simplify right side
    18,967.01x = 184,585,762.59
  5. Step 5: Solve for x
    x = 184,585,762.59/18,967.01
  6. Step 6: Final answer
    x = 9,731.94

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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.