Home / 13,313.34-19,962.51-4,423.91

Finding the Fourth Proportional to 13,313.34, 19,962.51 and 4,423.91

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Solution

The fourth proportional to 13,313.34, 19,962.51 and 4,423.91 is: 6,633.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313.34 : 19,962.51 = 4,423.91 : x
  2. Step 2: Convert to fraction form
    13,313.34/19,962.51 = 4,423.91/x
  3. Step 3: Cross multiply
    13,313.34x = 19,962.51 × 4,423.91
  4. Step 4: Simplify right side
    13,313.34x = 88,312,347.61
  5. Step 5: Solve for x
    x = 88,312,347.61/13,313.34
  6. Step 6: Final answer
    x = 6,633.37

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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.