Home / 13,239.20-19,852.81-9,525.86

Finding the Fourth Proportional to 13,239.20, 19,852.81 and 9,525.86

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Solution

The fourth proportional to 13,239.20, 19,852.81 and 9,525.86 is: 14,284.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,239.20 : 19,852.81 = 9,525.86 : x
  2. Step 2: Convert to fraction form
    13,239.20/19,852.81 = 9,525.86/x
  3. Step 3: Cross multiply
    13,239.20x = 19,852.81 × 9,525.86
  4. Step 4: Simplify right side
    13,239.20x = 189,115,088.67
  5. Step 5: Solve for x
    x = 189,115,088.67/13,239.20
  6. Step 6: Final answer
    x = 14,284.48

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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.