Home / 16,821.47-25,235.17-6,955.22

Finding the Fourth Proportional to 16,821.47, 25,235.17 and 6,955.22

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Solution

The fourth proportional to 16,821.47, 25,235.17 and 6,955.22 is: 10,434.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821.47 : 25,235.17 = 6,955.22 : x
  2. Step 2: Convert to fraction form
    16,821.47/25,235.17 = 6,955.22/x
  3. Step 3: Cross multiply
    16,821.47x = 25,235.17 × 6,955.22
  4. Step 4: Simplify right side
    16,821.47x = 175,516,032.91
  5. Step 5: Solve for x
    x = 175,516,032.91/16,821.47
  6. Step 6: Final answer
    x = 10,434.05

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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.