Home / 10,319.60-14,241.21-5,603.88

Finding the Fourth Proportional to 10,319.60, 14,241.21 and 5,603.88

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Solution

The fourth proportional to 10,319.60, 14,241.21 and 5,603.88 is: 7,733.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,319.60 : 14,241.21 = 5,603.88 : x
  2. Step 2: Convert to fraction form
    10,319.60/14,241.21 = 5,603.88/x
  3. Step 3: Cross multiply
    10,319.60x = 14,241.21 × 5,603.88
  4. Step 4: Simplify right side
    10,319.60x = 79,806,031.89
  5. Step 5: Solve for x
    x = 79,806,031.89/10,319.60
  6. Step 6: Final answer
    x = 7,733.44

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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.