Home / 12,618.99-18,932.67-5,598.05

Finding the Fourth Proportional to 12,618.99, 18,932.67 and 5,598.05

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Solution

The fourth proportional to 12,618.99, 18,932.67 and 5,598.05 is: 8,398.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,618.99 : 18,932.67 = 5,598.05 : x
  2. Step 2: Convert to fraction form
    12,618.99/18,932.67 = 5,598.05/x
  3. Step 3: Cross multiply
    12,618.99x = 18,932.67 × 5,598.05
  4. Step 4: Simplify right side
    12,618.99x = 105,985,938.63
  5. Step 5: Solve for x
    x = 105,985,938.63/12,618.99
  6. Step 6: Final answer
    x = 8,398.92

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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.