Home / 15,240.30-21,032.43-8,525.52

Finding the Fourth Proportional to 15,240.30, 21,032.43 and 8,525.52

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Solution

The fourth proportional to 15,240.30, 21,032.43 and 8,525.52 is: 11,765.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,240.30 : 21,032.43 = 8,525.52 : x
  2. Step 2: Convert to fraction form
    15,240.30/21,032.43 = 8,525.52/x
  3. Step 3: Cross multiply
    15,240.30x = 21,032.43 × 8,525.52
  4. Step 4: Simplify right side
    15,240.30x = 179,312,370.64
  5. Step 5: Solve for x
    x = 179,312,370.64/15,240.30
  6. Step 6: Final answer
    x = 11,765.67

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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.