Home / 10,256.46-15,412.49-5,579.93

Finding the Fourth Proportional to 10,256.46, 15,412.49 and 5,579.93

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Solution

The fourth proportional to 10,256.46, 15,412.49 and 5,579.93 is: 8,385.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,256.46 : 15,412.49 = 5,579.93 : x
  2. Step 2: Convert to fraction form
    10,256.46/15,412.49 = 5,579.93/x
  3. Step 3: Cross multiply
    10,256.46x = 15,412.49 × 5,579.93
  4. Step 4: Simplify right side
    10,256.46x = 86,000,548.89
  5. Step 5: Solve for x
    x = 86,000,548.89/10,256.46
  6. Step 6: Final answer
    x = 8,385.01

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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.