Home / 13,944-19,242.18-7,975.52

Finding the Fourth Proportional to 13,944, 19,242.18 and 7,975.52

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Solution

The fourth proportional to 13,944, 19,242.18 and 7,975.52 is: 11,005.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944 : 19,242.18 = 7,975.52 : x
  2. Step 2: Convert to fraction form
    13,944/19,242.18 = 7,975.52/x
  3. Step 3: Cross multiply
    13,944x = 19,242.18 × 7,975.52
  4. Step 4: Simplify right side
    13,944x = 153,466,391.43
  5. Step 5: Solve for x
    x = 153,466,391.43/13,944
  6. Step 6: Final answer
    x = 11,005.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.