Home / 21,045.10-31,573.58-6,254.30

Finding the Fourth Proportional to 21,045.10, 31,573.58 and 6,254.30

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Solution

The fourth proportional to 21,045.10, 31,573.58 and 6,254.30 is: 9,383.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,045.10 : 31,573.58 = 6,254.30 : x
  2. Step 2: Convert to fraction form
    21,045.10/31,573.58 = 6,254.30/x
  3. Step 3: Cross multiply
    21,045.10x = 31,573.58 × 6,254.30
  4. Step 4: Simplify right side
    21,045.10x = 197,470,641.39
  5. Step 5: Solve for x
    x = 197,470,641.39/21,045.10
  6. Step 6: Final answer
    x = 9,383.21

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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.