Home / 10,064.40-15,091.72-4,219.44

Finding the Fourth Proportional to 10,064.40, 15,091.72 and 4,219.44

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Solution

The fourth proportional to 10,064.40, 15,091.72 and 4,219.44 is: 6,327.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,064.40 : 15,091.72 = 4,219.44 : x
  2. Step 2: Convert to fraction form
    10,064.40/15,091.72 = 4,219.44/x
  3. Step 3: Cross multiply
    10,064.40x = 15,091.72 × 4,219.44
  4. Step 4: Simplify right side
    10,064.40x = 63,678,607.04
  5. Step 5: Solve for x
    x = 63,678,607.04/10,064.40
  6. Step 6: Final answer
    x = 6,327.11

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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.