Home / 12,386.08-18,567.60-6,537.76

Finding the Fourth Proportional to 12,386.08, 18,567.60 and 6,537.76

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Solution

The fourth proportional to 12,386.08, 18,567.60 and 6,537.76 is: 9,800.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,386.08 : 18,567.60 = 6,537.76 : x
  2. Step 2: Convert to fraction form
    12,386.08/18,567.60 = 6,537.76/x
  3. Step 3: Cross multiply
    12,386.08x = 18,567.60 × 6,537.76
  4. Step 4: Simplify right side
    12,386.08x = 121,390,512.58
  5. Step 5: Solve for x
    x = 121,390,512.58/12,386.08
  6. Step 6: Final answer
    x = 9,800.56

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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.