Home / 18,967.57-28,454.69-6,484.66

Finding the Fourth Proportional to 18,967.57, 28,454.69 and 6,484.66

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Solution

The fourth proportional to 18,967.57, 28,454.69 and 6,484.66 is: 9,728.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,967.57 : 28,454.69 = 6,484.66 : x
  2. Step 2: Convert to fraction form
    18,967.57/28,454.69 = 6,484.66/x
  3. Step 3: Cross multiply
    18,967.57x = 28,454.69 × 6,484.66
  4. Step 4: Simplify right side
    18,967.57x = 184,518,935.13
  5. Step 5: Solve for x
    x = 184,518,935.13/18,967.57
  6. Step 6: Final answer
    x = 9,728.13

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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.