Home / 14,148.40-21,222.44-8,603.28

Finding the Fourth Proportional to 14,148.40, 21,222.44 and 8,603.28

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Solution

The fourth proportional to 14,148.40, 21,222.44 and 8,603.28 is: 12,904.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.40 : 21,222.44 = 8,603.28 : x
  2. Step 2: Convert to fraction form
    14,148.40/21,222.44 = 8,603.28/x
  3. Step 3: Cross multiply
    14,148.40x = 21,222.44 × 8,603.28
  4. Step 4: Simplify right side
    14,148.40x = 182,582,593.60
  5. Step 5: Solve for x
    x = 182,582,593.60/14,148.40
  6. Step 6: Final answer
    x = 12,904.82

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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.