Home / 12,885.92-19,328.16-4,565.60

Finding the Fourth Proportional to 12,885.92, 19,328.16 and 4,565.60

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Solution

The fourth proportional to 12,885.92, 19,328.16 and 4,565.60 is: 6,848.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,885.92 : 19,328.16 = 4,565.60 : x
  2. Step 2: Convert to fraction form
    12,885.92/19,328.16 = 4,565.60/x
  3. Step 3: Cross multiply
    12,885.92x = 19,328.16 × 4,565.60
  4. Step 4: Simplify right side
    12,885.92x = 88,244,647.30
  5. Step 5: Solve for x
    x = 88,244,647.30/12,885.92
  6. Step 6: Final answer
    x = 6,848.14

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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.