Home / 21,013.63-31,524.19-6,974.51

Finding the Fourth Proportional to 21,013.63, 31,524.19 and 6,974.51

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Solution

The fourth proportional to 21,013.63, 31,524.19 and 6,974.51 is: 10,463.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,013.63 : 31,524.19 = 6,974.51 : x
  2. Step 2: Convert to fraction form
    21,013.63/31,524.19 = 6,974.51/x
  3. Step 3: Cross multiply
    21,013.63x = 31,524.19 × 6,974.51
  4. Step 4: Simplify right side
    21,013.63x = 219,865,603.34
  5. Step 5: Solve for x
    x = 219,865,603.34/21,013.63
  6. Step 6: Final answer
    x = 10,463.00

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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.