Home / 13,925.12-20,893.95-6,912.14

Finding the Fourth Proportional to 13,925.12, 20,893.95 and 6,912.14

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Solution

The fourth proportional to 13,925.12, 20,893.95 and 6,912.14 is: 10,371.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.12 : 20,893.95 = 6,912.14 : x
  2. Step 2: Convert to fraction form
    13,925.12/20,893.95 = 6,912.14/x
  3. Step 3: Cross multiply
    13,925.12x = 20,893.95 × 6,912.14
  4. Step 4: Simplify right side
    13,925.12x = 144,421,803.08
  5. Step 5: Solve for x
    x = 144,421,803.08/13,925.12
  6. Step 6: Final answer
    x = 10,371.32

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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.