Home / 21,353.84-32,037.60-9,663.92

Finding the Fourth Proportional to 21,353.84, 32,037.60 and 9,663.92

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Solution

The fourth proportional to 21,353.84, 32,037.60 and 9,663.92 is: 14,498.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,353.84 : 32,037.60 = 9,663.92 : x
  2. Step 2: Convert to fraction form
    21,353.84/32,037.60 = 9,663.92/x
  3. Step 3: Cross multiply
    21,353.84x = 32,037.60 × 9,663.92
  4. Step 4: Simplify right side
    21,353.84x = 309,608,803.39
  5. Step 5: Solve for x
    x = 309,608,803.39/21,353.84
  6. Step 6: Final answer
    x = 14,498.98

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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.