Home / 15,465.48-21,342.36-8,750.96

Finding the Fourth Proportional to 15,465.48, 21,342.36 and 8,750.96

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Solution

The fourth proportional to 15,465.48, 21,342.36 and 8,750.96 is: 12,076.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,465.48 : 21,342.36 = 8,750.96 : x
  2. Step 2: Convert to fraction form
    15,465.48/21,342.36 = 8,750.96/x
  3. Step 3: Cross multiply
    15,465.48x = 21,342.36 × 8,750.96
  4. Step 4: Simplify right side
    15,465.48x = 186,766,031.95
  5. Step 5: Solve for x
    x = 186,766,031.95/15,465.48
  6. Step 6: Final answer
    x = 12,076.32

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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.