Home / 9,686.28-14,529.58-4,421.08

Finding the Fourth Proportional to 9,686.28, 14,529.58 and 4,421.08

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Solution

The fourth proportional to 9,686.28, 14,529.58 and 4,421.08 is: 6,631.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,686.28 : 14,529.58 = 4,421.08 : x
  2. Step 2: Convert to fraction form
    9,686.28/14,529.58 = 4,421.08/x
  3. Step 3: Cross multiply
    9,686.28x = 14,529.58 × 4,421.08
  4. Step 4: Simplify right side
    9,686.28x = 64,236,442.66
  5. Step 5: Solve for x
    x = 64,236,442.66/9,686.28
  6. Step 6: Final answer
    x = 6,631.69

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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.