Home / 9,905.24-13,664.27-5,925.30

Finding the Fourth Proportional to 9,905.24, 13,664.27 and 5,925.30

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Solution

The fourth proportional to 9,905.24, 13,664.27 and 5,925.30 is: 8,173.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905.24 : 13,664.27 = 5,925.30 : x
  2. Step 2: Convert to fraction form
    9,905.24/13,664.27 = 5,925.30/x
  3. Step 3: Cross multiply
    9,905.24x = 13,664.27 × 5,925.30
  4. Step 4: Simplify right side
    9,905.24x = 80,964,869.40
  5. Step 5: Solve for x
    x = 80,964,869.40/9,905.24
  6. Step 6: Final answer
    x = 8,173.95

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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.