Home / 12,325.36-18,477-4,528.72

Finding the Fourth Proportional to 12,325.36, 18,477 and 4,528.72

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Solution

The fourth proportional to 12,325.36, 18,477 and 4,528.72 is: 6,789.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,325.36 : 18,477 = 4,528.72 : x
  2. Step 2: Convert to fraction form
    12,325.36/18,477 = 4,528.72/x
  3. Step 3: Cross multiply
    12,325.36x = 18,477 × 4,528.72
  4. Step 4: Simplify right side
    12,325.36x = 83,677,159.44
  5. Step 5: Solve for x
    x = 83,677,159.44/12,325.36
  6. Step 6: Final answer
    x = 6,789.02

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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.