Home / 12,525.36-18,784.29-7,852.47

Finding the Fourth Proportional to 12,525.36, 18,784.29 and 7,852.47

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Solution

The fourth proportional to 12,525.36, 18,784.29 and 7,852.47 is: 11,776.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,525.36 : 18,784.29 = 7,852.47 : x
  2. Step 2: Convert to fraction form
    12,525.36/18,784.29 = 7,852.47/x
  3. Step 3: Cross multiply
    12,525.36x = 18,784.29 × 7,852.47
  4. Step 4: Simplify right side
    12,525.36x = 147,503,073.70
  5. Step 5: Solve for x
    x = 147,503,073.70/12,525.36
  6. Step 6: Final answer
    x = 11,776.35

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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.