Home / 12,549.99-18,830.28-6,306.72

Finding the Fourth Proportional to 12,549.99, 18,830.28 and 6,306.72

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Solution

The fourth proportional to 12,549.99, 18,830.28 and 6,306.72 is: 9,462.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549.99 : 18,830.28 = 6,306.72 : x
  2. Step 2: Convert to fraction form
    12,549.99/18,830.28 = 6,306.72/x
  3. Step 3: Cross multiply
    12,549.99x = 18,830.28 × 6,306.72
  4. Step 4: Simplify right side
    12,549.99x = 118,757,303.48
  5. Step 5: Solve for x
    x = 118,757,303.48/12,549.99
  6. Step 6: Final answer
    x = 9,462.74

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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.