Home / 18,963.42-28,448.50-6,484.83

Finding the Fourth Proportional to 18,963.42, 28,448.50 and 6,484.83

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Solution

The fourth proportional to 18,963.42, 28,448.50 and 6,484.83 is: 9,728.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,963.42 : 28,448.50 = 6,484.83 : x
  2. Step 2: Convert to fraction form
    18,963.42/28,448.50 = 6,484.83/x
  3. Step 3: Cross multiply
    18,963.42x = 28,448.50 × 6,484.83
  4. Step 4: Simplify right side
    18,963.42x = 184,483,686.26
  5. Step 5: Solve for x
    x = 184,483,686.26/18,963.42
  6. Step 6: Final answer
    x = 9,728.40

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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.