Home / 9,613.08-14,420.84-4,678.56

Finding the Fourth Proportional to 9,613.08, 14,420.84 and 4,678.56

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Solution

The fourth proportional to 9,613.08, 14,420.84 and 4,678.56 is: 7,018.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,613.08 : 14,420.84 = 4,678.56 : x
  2. Step 2: Convert to fraction form
    9,613.08/14,420.84 = 4,678.56/x
  3. Step 3: Cross multiply
    9,613.08x = 14,420.84 × 4,678.56
  4. Step 4: Simplify right side
    9,613.08x = 67,468,741.80
  5. Step 5: Solve for x
    x = 67,468,741.80/9,613.08
  6. Step 6: Final answer
    x = 7,018.43

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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.