Home / 14,723.02-20,318.30-8,436.61

Finding the Fourth Proportional to 14,723.02, 20,318.30 and 8,436.61

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Solution

The fourth proportional to 14,723.02, 20,318.30 and 8,436.61 is: 11,642.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,723.02 : 20,318.30 = 8,436.61 : x
  2. Step 2: Convert to fraction form
    14,723.02/20,318.30 = 8,436.61/x
  3. Step 3: Cross multiply
    14,723.02x = 20,318.30 × 8,436.61
  4. Step 4: Simplify right side
    14,723.02x = 171,417,492.46
  5. Step 5: Solve for x
    x = 171,417,492.46/14,723.02
  6. Step 6: Final answer
    x = 11,642.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.