Home / 21,037.96-31,560.08-6,245.13

Finding the Fourth Proportional to 21,037.96, 31,560.08 and 6,245.13

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Solution

The fourth proportional to 21,037.96, 31,560.08 and 6,245.13 is: 9,368.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,037.96 : 31,560.08 = 6,245.13 : x
  2. Step 2: Convert to fraction form
    21,037.96/31,560.08 = 6,245.13/x
  3. Step 3: Cross multiply
    21,037.96x = 31,560.08 × 6,245.13
  4. Step 4: Simplify right side
    21,037.96x = 197,096,802.41
  5. Step 5: Solve for x
    x = 197,096,802.41/21,037.96
  6. Step 6: Final answer
    x = 9,368.63

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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.