Home / 21,353.54-32,036.76-9,666.86

Finding the Fourth Proportional to 21,353.54, 32,036.76 and 9,666.86

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Solution

The fourth proportional to 21,353.54, 32,036.76 and 9,666.86 is: 14,503.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,353.54 : 32,036.76 = 9,666.86 : x
  2. Step 2: Convert to fraction form
    21,353.54/32,036.76 = 9,666.86/x
  3. Step 3: Cross multiply
    21,353.54x = 32,036.76 × 9,666.86
  4. Step 4: Simplify right side
    21,353.54x = 309,694,873.77
  5. Step 5: Solve for x
    x = 309,694,873.77/21,353.54
  6. Step 6: Final answer
    x = 14,503.21

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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.