Home / 12,541.08-17,385.93-11,875.28

Finding the Fourth Proportional to 12,541.08, 17,385.93 and 11,875.28

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Solution

The fourth proportional to 12,541.08, 17,385.93 and 11,875.28 is: 16,462.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,541.08 : 17,385.93 = 11,875.28 : x
  2. Step 2: Convert to fraction form
    12,541.08/17,385.93 = 11,875.28/x
  3. Step 3: Cross multiply
    12,541.08x = 17,385.93 × 11,875.28
  4. Step 4: Simplify right side
    12,541.08x = 206,462,786.81
  5. Step 5: Solve for x
    x = 206,462,786.81/12,541.08
  6. Step 6: Final answer
    x = 16,462.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.