Home / 11,454.24-15,790.59-8,424.01

Finding the Fourth Proportional to 11,454.24, 15,790.59 and 8,424.01

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Solution

The fourth proportional to 11,454.24, 15,790.59 and 8,424.01 is: 11,613.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,454.24 : 15,790.59 = 8,424.01 : x
  2. Step 2: Convert to fraction form
    11,454.24/15,790.59 = 8,424.01/x
  3. Step 3: Cross multiply
    11,454.24x = 15,790.59 × 8,424.01
  4. Step 4: Simplify right side
    11,454.24x = 133,020,048.59
  5. Step 5: Solve for x
    x = 133,020,048.59/11,454.24
  6. Step 6: Final answer
    x = 11,613.17

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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.