Home / 10,412.19-15,607.35-6,463.44

Finding the Fourth Proportional to 10,412.19, 15,607.35 and 6,463.44

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Solution

The fourth proportional to 10,412.19, 15,607.35 and 6,463.44 is: 9,688.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,412.19 : 15,607.35 = 6,463.44 : x
  2. Step 2: Convert to fraction form
    10,412.19/15,607.35 = 6,463.44/x
  3. Step 3: Cross multiply
    10,412.19x = 15,607.35 × 6,463.44
  4. Step 4: Simplify right side
    10,412.19x = 100,877,170.28
  5. Step 5: Solve for x
    x = 100,877,170.28/10,412.19
  6. Step 6: Final answer
    x = 9,688.37

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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.