Home / 12,989.16-19,494.68-5,599.13

Finding the Fourth Proportional to 12,989.16, 19,494.68 and 5,599.13

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Solution

The fourth proportional to 12,989.16, 19,494.68 and 5,599.13 is: 8,403.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,989.16 : 19,494.68 = 5,599.13 : x
  2. Step 2: Convert to fraction form
    12,989.16/19,494.68 = 5,599.13/x
  3. Step 3: Cross multiply
    12,989.16x = 19,494.68 × 5,599.13
  4. Step 4: Simplify right side
    12,989.16x = 109,153,122.16
  5. Step 5: Solve for x
    x = 109,153,122.16/12,989.16
  6. Step 6: Final answer
    x = 8,403.40

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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.