Home / 13,312.61-19,972.76-4,306.53

Finding the Fourth Proportional to 13,312.61, 19,972.76 and 4,306.53

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Solution

The fourth proportional to 13,312.61, 19,972.76 and 4,306.53 is: 6,461.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312.61 : 19,972.76 = 4,306.53 : x
  2. Step 2: Convert to fraction form
    13,312.61/19,972.76 = 4,306.53/x
  3. Step 3: Cross multiply
    13,312.61x = 19,972.76 × 4,306.53
  4. Step 4: Simplify right side
    13,312.61x = 86,013,255.37
  5. Step 5: Solve for x
    x = 86,013,255.37/13,312.61
  6. Step 6: Final answer
    x = 6,461.03

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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.