Home / 12,437.67-18,655.90-4,645.88

Finding the Fourth Proportional to 12,437.67, 18,655.90 and 4,645.88

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Solution

The fourth proportional to 12,437.67, 18,655.90 and 4,645.88 is: 6,968.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,437.67 : 18,655.90 = 4,645.88 : x
  2. Step 2: Convert to fraction form
    12,437.67/18,655.90 = 4,645.88/x
  3. Step 3: Cross multiply
    12,437.67x = 18,655.90 × 4,645.88
  4. Step 4: Simplify right side
    12,437.67x = 86,672,967.80
  5. Step 5: Solve for x
    x = 86,672,967.80/12,437.67
  6. Step 6: Final answer
    x = 6,968.59

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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.