Home / 12,437.48-18,655.58-4,645.69

Finding the Fourth Proportional to 12,437.48, 18,655.58 and 4,645.69

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Solution

The fourth proportional to 12,437.48, 18,655.58 and 4,645.69 is: 6,968.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,437.48 : 18,655.58 = 4,645.69 : x
  2. Step 2: Convert to fraction form
    12,437.48/18,655.58 = 4,645.69/x
  3. Step 3: Cross multiply
    12,437.48x = 18,655.58 × 4,645.69
  4. Step 4: Simplify right side
    12,437.48x = 86,668,006.43
  5. Step 5: Solve for x
    x = 86,668,006.43/12,437.48
  6. Step 6: Final answer
    x = 6,968.29

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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.