Home / 13,280.04-19,905.46-11,723.86

Finding the Fourth Proportional to 13,280.04, 19,905.46 and 11,723.86

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Solution

The fourth proportional to 13,280.04, 19,905.46 and 11,723.86 is: 17,572.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280.04 : 19,905.46 = 11,723.86 : x
  2. Step 2: Convert to fraction form
    13,280.04/19,905.46 = 11,723.86/x
  3. Step 3: Cross multiply
    13,280.04x = 19,905.46 × 11,723.86
  4. Step 4: Simplify right side
    13,280.04x = 233,368,768.35
  5. Step 5: Solve for x
    x = 233,368,768.35/13,280.04
  6. Step 6: Final answer
    x = 17,572.89

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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.