Home / 12,824.81-17,708.24-9,835.91

Finding the Fourth Proportional to 12,824.81, 17,708.24 and 9,835.91

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Solution

The fourth proportional to 12,824.81, 17,708.24 and 9,835.91 is: 13,581.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,824.81 : 17,708.24 = 9,835.91 : x
  2. Step 2: Convert to fraction form
    12,824.81/17,708.24 = 9,835.91/x
  3. Step 3: Cross multiply
    12,824.81x = 17,708.24 × 9,835.91
  4. Step 4: Simplify right side
    12,824.81x = 174,176,590.95
  5. Step 5: Solve for x
    x = 174,176,590.95/12,824.81
  6. Step 6: Final answer
    x = 13,581.23

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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.