Home / 9,953.55-13,728.24-6,178.95

Finding the Fourth Proportional to 9,953.55, 13,728.24 and 6,178.95

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Solution

The fourth proportional to 9,953.55, 13,728.24 and 6,178.95 is: 8,522.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,953.55 : 13,728.24 = 6,178.95 : x
  2. Step 2: Convert to fraction form
    9,953.55/13,728.24 = 6,178.95/x
  3. Step 3: Cross multiply
    9,953.55x = 13,728.24 × 6,178.95
  4. Step 4: Simplify right side
    9,953.55x = 84,826,108.55
  5. Step 5: Solve for x
    x = 84,826,108.55/9,953.55
  6. Step 6: Final answer
    x = 8,522.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.