Home / 15,240.24-21,031.47-8,526.15

Finding the Fourth Proportional to 15,240.24, 21,031.47 and 8,526.15

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Solution

The fourth proportional to 15,240.24, 21,031.47 and 8,526.15 is: 11,766.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,240.24 : 21,031.47 = 8,526.15 : x
  2. Step 2: Convert to fraction form
    15,240.24/21,031.47 = 8,526.15/x
  3. Step 3: Cross multiply
    15,240.24x = 21,031.47 × 8,526.15
  4. Step 4: Simplify right side
    15,240.24x = 179,317,467.94
  5. Step 5: Solve for x
    x = 179,317,467.94/15,240.24
  6. Step 6: Final answer
    x = 11,766.05

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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.