Home / 9,421.19-14,146.47-8,119.58

Finding the Fourth Proportional to 9,421.19, 14,146.47 and 8,119.58

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Solution

The fourth proportional to 9,421.19, 14,146.47 and 8,119.58 is: 12,192.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421.19 : 14,146.47 = 8,119.58 : x
  2. Step 2: Convert to fraction form
    9,421.19/14,146.47 = 8,119.58/x
  3. Step 3: Cross multiply
    9,421.19x = 14,146.47 × 8,119.58
  4. Step 4: Simplify right side
    9,421.19x = 114,863,406.67
  5. Step 5: Solve for x
    x = 114,863,406.67/9,421.19
  6. Step 6: Final answer
    x = 12,192.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.