Home / 13,137.16-19,701.02-4,369.72

Finding the Fourth Proportional to 13,137.16, 19,701.02 and 4,369.72

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Solution

The fourth proportional to 13,137.16, 19,701.02 and 4,369.72 is: 6,553.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,137.16 : 19,701.02 = 4,369.72 : x
  2. Step 2: Convert to fraction form
    13,137.16/19,701.02 = 4,369.72/x
  3. Step 3: Cross multiply
    13,137.16x = 19,701.02 × 4,369.72
  4. Step 4: Simplify right side
    13,137.16x = 86,087,941.11
  5. Step 5: Solve for x
    x = 86,087,941.11/13,137.16
  6. Step 6: Final answer
    x = 6,553.01

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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.