Home / 20,953.08-31,426.38-6,159.24

Finding the Fourth Proportional to 20,953.08, 31,426.38 and 6,159.24

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Solution

The fourth proportional to 20,953.08, 31,426.38 and 6,159.24 is: 9,237.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,953.08 : 31,426.38 = 6,159.24 : x
  2. Step 2: Convert to fraction form
    20,953.08/31,426.38 = 6,159.24/x
  3. Step 3: Cross multiply
    20,953.08x = 31,426.38 × 6,159.24
  4. Step 4: Simplify right side
    20,953.08x = 193,562,616.75
  5. Step 5: Solve for x
    x = 193,562,616.75/20,953.08
  6. Step 6: Final answer
    x = 9,237.91

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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.