Home / 13,249.48-19,870.26-9,540.52

Finding the Fourth Proportional to 13,249.48, 19,870.26 and 9,540.52

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Solution

The fourth proportional to 13,249.48, 19,870.26 and 9,540.52 is: 14,307.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.48 : 19,870.26 = 9,540.52 : x
  2. Step 2: Convert to fraction form
    13,249.48/19,870.26 = 9,540.52/x
  3. Step 3: Cross multiply
    13,249.48x = 19,870.26 × 9,540.52
  4. Step 4: Simplify right side
    13,249.48x = 189,572,612.94
  5. Step 5: Solve for x
    x = 189,572,612.94/13,249.48
  6. Step 6: Final answer
    x = 14,307.93

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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.