Home / 21,904.09-32,861.01-6,320.50

Finding the Fourth Proportional to 21,904.09, 32,861.01 and 6,320.50

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Solution

The fourth proportional to 21,904.09, 32,861.01 and 6,320.50 is: 9,482.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,904.09 : 32,861.01 = 6,320.50 : x
  2. Step 2: Convert to fraction form
    21,904.09/32,861.01 = 6,320.50/x
  3. Step 3: Cross multiply
    21,904.09x = 32,861.01 × 6,320.50
  4. Step 4: Simplify right side
    21,904.09x = 207,698,013.71
  5. Step 5: Solve for x
    x = 207,698,013.71/21,904.09
  6. Step 6: Final answer
    x = 9,482.16

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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.