Home / 13,925.13-20,876.74-6,900.32

Finding the Fourth Proportional to 13,925.13, 20,876.74 and 6,900.32

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Solution

The fourth proportional to 13,925.13, 20,876.74 and 6,900.32 is: 10,345.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.13 : 20,876.74 = 6,900.32 : x
  2. Step 2: Convert to fraction form
    13,925.13/20,876.74 = 6,900.32/x
  3. Step 3: Cross multiply
    13,925.13x = 20,876.74 × 6,900.32
  4. Step 4: Simplify right side
    13,925.13x = 144,056,064.92
  5. Step 5: Solve for x
    x = 144,056,064.92/13,925.13
  6. Step 6: Final answer
    x = 10,345.04

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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.