Home / 13,541.84-20,307.12-4,774.72

Finding the Fourth Proportional to 13,541.84, 20,307.12 and 4,774.72

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Solution

The fourth proportional to 13,541.84, 20,307.12 and 4,774.72 is: 7,160.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,541.84 : 20,307.12 = 4,774.72 : x
  2. Step 2: Convert to fraction form
    13,541.84/20,307.12 = 4,774.72/x
  3. Step 3: Cross multiply
    13,541.84x = 20,307.12 × 4,774.72
  4. Step 4: Simplify right side
    13,541.84x = 96,960,812.01
  5. Step 5: Solve for x
    x = 96,960,812.01/13,541.84
  6. Step 6: Final answer
    x = 7,160.09

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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.