Home / 21,869.04-32,807.34-7,081.68

Finding the Fourth Proportional to 21,869.04, 32,807.34 and 7,081.68

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Solution

The fourth proportional to 21,869.04, 32,807.34 and 7,081.68 is: 10,623.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,869.04 : 32,807.34 = 7,081.68 : x
  2. Step 2: Convert to fraction form
    21,869.04/32,807.34 = 7,081.68/x
  3. Step 3: Cross multiply
    21,869.04x = 32,807.34 × 7,081.68
  4. Step 4: Simplify right side
    21,869.04x = 232,331,083.53
  5. Step 5: Solve for x
    x = 232,331,083.53/21,869.04
  6. Step 6: Final answer
    x = 10,623.74

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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.