Home / 14,095.28-21,140.16-5,327.84

Finding the Fourth Proportional to 14,095.28, 21,140.16 and 5,327.84

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Solution

The fourth proportional to 14,095.28, 21,140.16 and 5,327.84 is: 7,990.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,095.28 : 21,140.16 = 5,327.84 : x
  2. Step 2: Convert to fraction form
    14,095.28/21,140.16 = 5,327.84/x
  3. Step 3: Cross multiply
    14,095.28x = 21,140.16 × 5,327.84
  4. Step 4: Simplify right side
    14,095.28x = 112,631,390.05
  5. Step 5: Solve for x
    x = 112,631,390.05/14,095.28
  6. Step 6: Final answer
    x = 7,990.72

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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.