Home / 14,465.16-21,679.47-12,326.76

Finding the Fourth Proportional to 14,465.16, 21,679.47 and 12,326.76

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Solution

The fourth proportional to 14,465.16, 21,679.47 and 12,326.76 is: 18,474.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,465.16 : 21,679.47 = 12,326.76 : x
  2. Step 2: Convert to fraction form
    14,465.16/21,679.47 = 12,326.76/x
  3. Step 3: Cross multiply
    14,465.16x = 21,679.47 × 12,326.76
  4. Step 4: Simplify right side
    14,465.16x = 267,237,623.62
  5. Step 5: Solve for x
    x = 267,237,623.62/14,465.16
  6. Step 6: Final answer
    x = 18,474.57

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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.