Home / 21,045.80-31,573.91-6,254.70

Finding the Fourth Proportional to 21,045.80, 31,573.91 and 6,254.70

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Solution

The fourth proportional to 21,045.80, 31,573.91 and 6,254.70 is: 9,383.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,045.80 : 31,573.91 = 6,254.70 : x
  2. Step 2: Convert to fraction form
    21,045.80/31,573.91 = 6,254.70/x
  3. Step 3: Cross multiply
    21,045.80x = 31,573.91 × 6,254.70
  4. Step 4: Simplify right side
    21,045.80x = 197,485,303.60
  5. Step 5: Solve for x
    x = 197,485,303.60/21,045.80
  6. Step 6: Final answer
    x = 9,383.60

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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.