Home / 19,320.37-26,662.22-10,822.78

Finding the Fourth Proportional to 19,320.37, 26,662.22 and 10,822.78

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Solution

The fourth proportional to 19,320.37, 26,662.22 and 10,822.78 is: 14,935.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,320.37 : 26,662.22 = 10,822.78 : x
  2. Step 2: Convert to fraction form
    19,320.37/26,662.22 = 10,822.78/x
  3. Step 3: Cross multiply
    19,320.37x = 26,662.22 × 10,822.78
  4. Step 4: Simplify right side
    19,320.37x = 288,559,341.37
  5. Step 5: Solve for x
    x = 288,559,341.37/19,320.37
  6. Step 6: Final answer
    x = 14,935.50

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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.