Home / 11,071.47-16,607.28-3,280.35

Finding the Fourth Proportional to 11,071.47, 16,607.28 and 3,280.35

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Solution

The fourth proportional to 11,071.47, 16,607.28 and 3,280.35 is: 4,920.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,071.47 : 16,607.28 = 3,280.35 : x
  2. Step 2: Convert to fraction form
    11,071.47/16,607.28 = 3,280.35/x
  3. Step 3: Cross multiply
    11,071.47x = 16,607.28 × 3,280.35
  4. Step 4: Simplify right side
    11,071.47x = 54,477,690.95
  5. Step 5: Solve for x
    x = 54,477,690.95/11,071.47
  6. Step 6: Final answer
    x = 4,920.55

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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.