Home / 21,101.10-31,652.01-6,310.23

Finding the Fourth Proportional to 21,101.10, 31,652.01 and 6,310.23

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Solution

The fourth proportional to 21,101.10, 31,652.01 and 6,310.23 is: 9,465.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,101.10 : 31,652.01 = 6,310.23 : x
  2. Step 2: Convert to fraction form
    21,101.10/31,652.01 = 6,310.23/x
  3. Step 3: Cross multiply
    21,101.10x = 31,652.01 × 6,310.23
  4. Step 4: Simplify right side
    21,101.10x = 199,731,463.06
  5. Step 5: Solve for x
    x = 199,731,463.06/21,101.10
  6. Step 6: Final answer
    x = 9,465.45

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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.