Home / 14,359.28-19,776.15-12,369.11

Finding the Fourth Proportional to 14,359.28, 19,776.15 and 12,369.11

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Solution

The fourth proportional to 14,359.28, 19,776.15 and 12,369.11 is: 17,035.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,359.28 : 19,776.15 = 12,369.11 : x
  2. Step 2: Convert to fraction form
    14,359.28/19,776.15 = 12,369.11/x
  3. Step 3: Cross multiply
    14,359.28x = 19,776.15 × 12,369.11
  4. Step 4: Simplify right side
    14,359.28x = 244,613,275.85
  5. Step 5: Solve for x
    x = 244,613,275.85/14,359.28
  6. Step 6: Final answer
    x = 17,035.21

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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.