Home / 12,712.01-19,064.97-4,392.32

Finding the Fourth Proportional to 12,712.01, 19,064.97 and 4,392.32

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Solution

The fourth proportional to 12,712.01, 19,064.97 and 4,392.32 is: 6,587.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,712.01 : 19,064.97 = 4,392.32 : x
  2. Step 2: Convert to fraction form
    12,712.01/19,064.97 = 4,392.32/x
  3. Step 3: Cross multiply
    12,712.01x = 19,064.97 × 4,392.32
  4. Step 4: Simplify right side
    12,712.01x = 83,739,353.71
  5. Step 5: Solve for x
    x = 83,739,353.71/12,712.01
  6. Step 6: Final answer
    x = 6,587.42

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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.