Home / 13,254.91-18,291.41-7,285.77

Finding the Fourth Proportional to 13,254.91, 18,291.41 and 7,285.77

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Solution

The fourth proportional to 13,254.91, 18,291.41 and 7,285.77 is: 10,054.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.91 : 18,291.41 = 7,285.77 : x
  2. Step 2: Convert to fraction form
    13,254.91/18,291.41 = 7,285.77/x
  3. Step 3: Cross multiply
    13,254.91x = 18,291.41 × 7,285.77
  4. Step 4: Simplify right side
    13,254.91x = 133,267,006.24
  5. Step 5: Solve for x
    x = 133,267,006.24/13,254.91
  6. Step 6: Final answer
    x = 10,054.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.