Home / 21,163.34-31,750.30-14,935.51

Finding the Fourth Proportional to 21,163.34, 31,750.30 and 14,935.51

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Solution

The fourth proportional to 21,163.34, 31,750.30 and 14,935.51 is: 22,407.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,163.34 : 31,750.30 = 14,935.51 : x
  2. Step 2: Convert to fraction form
    21,163.34/31,750.30 = 14,935.51/x
  3. Step 3: Cross multiply
    21,163.34x = 31,750.30 × 14,935.51
  4. Step 4: Simplify right side
    21,163.34x = 474,206,981.51
  5. Step 5: Solve for x
    x = 474,206,981.51/21,163.34
  6. Step 6: Final answer
    x = 22,407.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.