Home / 13,154.94-19,737.54-6,138.18

Finding the Fourth Proportional to 13,154.94, 19,737.54 and 6,138.18

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Solution

The fourth proportional to 13,154.94, 19,737.54 and 6,138.18 is: 9,209.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,154.94 : 19,737.54 = 6,138.18 : x
  2. Step 2: Convert to fraction form
    13,154.94/19,737.54 = 6,138.18/x
  3. Step 3: Cross multiply
    13,154.94x = 19,737.54 × 6,138.18
  4. Step 4: Simplify right side
    13,154.94x = 121,152,573.28
  5. Step 5: Solve for x
    x = 121,152,573.28/13,154.94
  6. Step 6: Final answer
    x = 9,209.66

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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.