Home / 14,343.16-19,798.85-12,318.43

Finding the Fourth Proportional to 14,343.16, 19,798.85 and 12,318.43

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Solution

The fourth proportional to 14,343.16, 19,798.85 and 12,318.43 is: 17,003.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,343.16 : 19,798.85 = 12,318.43 : x
  2. Step 2: Convert to fraction form
    14,343.16/19,798.85 = 12,318.43/x
  3. Step 3: Cross multiply
    14,343.16x = 19,798.85 × 12,318.43
  4. Step 4: Simplify right side
    14,343.16x = 243,890,747.81
  5. Step 5: Solve for x
    x = 243,890,747.81/14,343.16
  6. Step 6: Final answer
    x = 17,003.98

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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.