Home / 14,378.90-21,560.22-5,603.72

Finding the Fourth Proportional to 14,378.90, 21,560.22 and 5,603.72

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Solution

The fourth proportional to 14,378.90, 21,560.22 and 5,603.72 is: 8,402.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,378.90 : 21,560.22 = 5,603.72 : x
  2. Step 2: Convert to fraction form
    14,378.90/21,560.22 = 5,603.72/x
  3. Step 3: Cross multiply
    14,378.90x = 21,560.22 × 5,603.72
  4. Step 4: Simplify right side
    14,378.90x = 120,817,436.02
  5. Step 5: Solve for x
    x = 120,817,436.02/14,378.90
  6. Step 6: Final answer
    x = 8,402.41

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1.5x scale

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.