Home / 12,384.89-18,577.33-5,359.15

Finding the Fourth Proportional to 12,384.89, 18,577.33 and 5,359.15

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Solution

The fourth proportional to 12,384.89, 18,577.33 and 5,359.15 is: 8,038.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384.89 : 18,577.33 = 5,359.15 : x
  2. Step 2: Convert to fraction form
    12,384.89/18,577.33 = 5,359.15/x
  3. Step 3: Cross multiply
    12,384.89x = 18,577.33 × 5,359.15
  4. Step 4: Simplify right side
    12,384.89x = 99,558,698.07
  5. Step 5: Solve for x
    x = 99,558,698.07/12,384.89
  6. Step 6: Final answer
    x = 8,038.72

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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.