Home / 21,262.02-31,884.81-10,165.74

Finding the Fourth Proportional to 21,262.02, 31,884.81 and 10,165.74

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Solution

The fourth proportional to 21,262.02, 31,884.81 and 10,165.74 is: 15,244.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,262.02 : 31,884.81 = 10,165.74 : x
  2. Step 2: Convert to fraction form
    21,262.02/31,884.81 = 10,165.74/x
  3. Step 3: Cross multiply
    21,262.02x = 31,884.81 × 10,165.74
  4. Step 4: Simplify right side
    21,262.02x = 324,132,688.41
  5. Step 5: Solve for x
    x = 324,132,688.41/21,262.02
  6. Step 6: Final answer
    x = 15,244.68

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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.