Home / 18,437.28-27,655.77-8,571.06

Finding the Fourth Proportional to 18,437.28, 27,655.77 and 8,571.06

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Solution

The fourth proportional to 18,437.28, 27,655.77 and 8,571.06 is: 12,856.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,437.28 : 27,655.77 = 8,571.06 : x
  2. Step 2: Convert to fraction form
    18,437.28/27,655.77 = 8,571.06/x
  3. Step 3: Cross multiply
    18,437.28x = 27,655.77 × 8,571.06
  4. Step 4: Simplify right side
    18,437.28x = 237,039,264.02
  5. Step 5: Solve for x
    x = 237,039,264.02/18,437.28
  6. Step 6: Final answer
    x = 12,856.52

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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.