Home / 21,867.13-32,802.54-6,877.69

Finding the Fourth Proportional to 21,867.13, 32,802.54 and 6,877.69

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Solution

The fourth proportional to 21,867.13, 32,802.54 and 6,877.69 is: 10,317.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,867.13 : 32,802.54 = 6,877.69 : x
  2. Step 2: Convert to fraction form
    21,867.13/32,802.54 = 6,877.69/x
  3. Step 3: Cross multiply
    21,867.13x = 32,802.54 × 6,877.69
  4. Step 4: Simplify right side
    21,867.13x = 225,605,666.94
  5. Step 5: Solve for x
    x = 225,605,666.94/21,867.13
  6. Step 6: Final answer
    x = 10,317.11

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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.