Home / 15,954.84-22,018.50-9,240.48

Finding the Fourth Proportional to 15,954.84, 22,018.50 and 9,240.48

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Solution

The fourth proportional to 15,954.84, 22,018.50 and 9,240.48 is: 12,752.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,954.84 : 22,018.50 = 9,240.48 : x
  2. Step 2: Convert to fraction form
    15,954.84/22,018.50 = 9,240.48/x
  3. Step 3: Cross multiply
    15,954.84x = 22,018.50 × 9,240.48
  4. Step 4: Simplify right side
    15,954.84x = 203,461,508.88
  5. Step 5: Solve for x
    x = 203,461,508.88/15,954.84
  6. Step 6: Final answer
    x = 12,752.34

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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.