Home / 14,615.54-20,153.58-9,303.56

Finding the Fourth Proportional to 14,615.54, 20,153.58 and 9,303.56

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Solution

The fourth proportional to 14,615.54, 20,153.58 and 9,303.56 is: 12,828.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,615.54 : 20,153.58 = 9,303.56 : x
  2. Step 2: Convert to fraction form
    14,615.54/20,153.58 = 9,303.56/x
  3. Step 3: Cross multiply
    14,615.54x = 20,153.58 × 9,303.56
  4. Step 4: Simplify right side
    14,615.54x = 187,500,040.74
  5. Step 5: Solve for x
    x = 187,500,040.74/14,615.54
  6. Step 6: Final answer
    x = 12,828.81

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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.