Home / 12,437.14-18,656.55-4,645.78

Finding the Fourth Proportional to 12,437.14, 18,656.55 and 4,645.78

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Solution

The fourth proportional to 12,437.14, 18,656.55 and 4,645.78 is: 6,968.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,437.14 : 18,656.55 = 4,645.78 : x
  2. Step 2: Convert to fraction form
    12,437.14/18,656.55 = 4,645.78/x
  3. Step 3: Cross multiply
    12,437.14x = 18,656.55 × 4,645.78
  4. Step 4: Simplify right side
    12,437.14x = 86,674,226.86
  5. Step 5: Solve for x
    x = 86,674,226.86/12,437.14
  6. Step 6: Final answer
    x = 6,968.98

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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.