Home / 19,484.08-29,212.64-12,468.40

Finding the Fourth Proportional to 19,484.08, 29,212.64 and 12,468.40

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Solution

The fourth proportional to 19,484.08, 29,212.64 and 12,468.40 is: 18,693.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,484.08 : 29,212.64 = 12,468.40 : x
  2. Step 2: Convert to fraction form
    19,484.08/29,212.64 = 12,468.40/x
  3. Step 3: Cross multiply
    19,484.08x = 29,212.64 × 12,468.40
  4. Step 4: Simplify right side
    19,484.08x = 364,234,880.58
  5. Step 5: Solve for x
    x = 364,234,880.58/19,484.08
  6. Step 6: Final answer
    x = 18,693.97

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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.