Home / 10,488.24-14,445.72-7,831.44

Finding the Fourth Proportional to 10,488.24, 14,445.72 and 7,831.44

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Solution

The fourth proportional to 10,488.24, 14,445.72 and 7,831.44 is: 10,786.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,488.24 : 14,445.72 = 7,831.44 : x
  2. Step 2: Convert to fraction form
    10,488.24/14,445.72 = 7,831.44/x
  3. Step 3: Cross multiply
    10,488.24x = 14,445.72 × 7,831.44
  4. Step 4: Simplify right side
    10,488.24x = 113,130,789.44
  5. Step 5: Solve for x
    x = 113,130,789.44/10,488.24
  6. Step 6: Final answer
    x = 10,786.44

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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.