Home / 14,323.28-21,475.40-7,305.84

Finding the Fourth Proportional to 14,323.28, 21,475.40 and 7,305.84

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Solution

The fourth proportional to 14,323.28, 21,475.40 and 7,305.84 is: 10,953.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,323.28 : 21,475.40 = 7,305.84 : x
  2. Step 2: Convert to fraction form
    14,323.28/21,475.40 = 7,305.84/x
  3. Step 3: Cross multiply
    14,323.28x = 21,475.40 × 7,305.84
  4. Step 4: Simplify right side
    14,323.28x = 156,895,799.81
  5. Step 5: Solve for x
    x = 156,895,799.81/14,323.28
  6. Step 6: Final answer
    x = 10,953.91

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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.