Home / 21,045.60-31,574.33-6,254.80

Finding the Fourth Proportional to 21,045.60, 31,574.33 and 6,254.80

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Solution

The fourth proportional to 21,045.60, 31,574.33 and 6,254.80 is: 9,383.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,045.60 : 31,574.33 = 6,254.80 : x
  2. Step 2: Convert to fraction form
    21,045.60/31,574.33 = 6,254.80/x
  3. Step 3: Cross multiply
    21,045.60x = 31,574.33 × 6,254.80
  4. Step 4: Simplify right side
    21,045.60x = 197,491,119.28
  5. Step 5: Solve for x
    x = 197,491,119.28/21,045.60
  6. Step 6: Final answer
    x = 9,383.96

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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.