Home / 12,437.09-18,655.63-4,114.87

Finding the Fourth Proportional to 12,437.09, 18,655.63 and 4,114.87

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Solution

The fourth proportional to 12,437.09, 18,655.63 and 4,114.87 is: 6,172.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,437.09 : 18,655.63 = 4,114.87 : x
  2. Step 2: Convert to fraction form
    12,437.09/18,655.63 = 4,114.87/x
  3. Step 3: Cross multiply
    12,437.09x = 18,655.63 × 4,114.87
  4. Step 4: Simplify right side
    12,437.09x = 76,765,492.22
  5. Step 5: Solve for x
    x = 76,765,492.22/12,437.09
  6. Step 6: Final answer
    x = 6,172.30

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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.