Home / 10,306.98-14,223.48-5,831.58

Finding the Fourth Proportional to 10,306.98, 14,223.48 and 5,831.58

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Solution

The fourth proportional to 10,306.98, 14,223.48 and 5,831.58 is: 8,047.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306.98 : 14,223.48 = 5,831.58 : x
  2. Step 2: Convert to fraction form
    10,306.98/14,223.48 = 5,831.58/x
  3. Step 3: Cross multiply
    10,306.98x = 14,223.48 × 5,831.58
  4. Step 4: Simplify right side
    10,306.98x = 82,945,361.50
  5. Step 5: Solve for x
    x = 82,945,361.50/10,306.98
  6. Step 6: Final answer
    x = 8,047.49

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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.