Home / 12,585.24-18,876.02-7,322.76

Finding the Fourth Proportional to 12,585.24, 18,876.02 and 7,322.76

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Solution

The fourth proportional to 12,585.24, 18,876.02 and 7,322.76 is: 10,983.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,585.24 : 18,876.02 = 7,322.76 : x
  2. Step 2: Convert to fraction form
    12,585.24/18,876.02 = 7,322.76/x
  3. Step 3: Cross multiply
    12,585.24x = 18,876.02 × 7,322.76
  4. Step 4: Simplify right side
    12,585.24x = 138,224,527.60
  5. Step 5: Solve for x
    x = 138,224,527.60/12,585.24
  6. Step 6: Final answer
    x = 10,983.07

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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.