Home / 12,601.55-18,901.57-5,579.51

Finding the Fourth Proportional to 12,601.55, 18,901.57 and 5,579.51

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Solution

The fourth proportional to 12,601.55, 18,901.57 and 5,579.51 is: 8,368.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,601.55 : 18,901.57 = 5,579.51 : x
  2. Step 2: Convert to fraction form
    12,601.55/18,901.57 = 5,579.51/x
  3. Step 3: Cross multiply
    12,601.55x = 18,901.57 × 5,579.51
  4. Step 4: Simplify right side
    12,601.55x = 105,461,470.93
  5. Step 5: Solve for x
    x = 105,461,470.93/12,601.55
  6. Step 6: Final answer
    x = 8,368.93

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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.