Home / 10,368.08-15,551.80-3,442.64

Finding the Fourth Proportional to 10,368.08, 15,551.80 and 3,442.64

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Solution

The fourth proportional to 10,368.08, 15,551.80 and 3,442.64 is: 5,163.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368.08 : 15,551.80 = 3,442.64 : x
  2. Step 2: Convert to fraction form
    10,368.08/15,551.80 = 3,442.64/x
  3. Step 3: Cross multiply
    10,368.08x = 15,551.80 × 3,442.64
  4. Step 4: Simplify right side
    10,368.08x = 53,539,248.75
  5. Step 5: Solve for x
    x = 53,539,248.75/10,368.08
  6. Step 6: Final answer
    x = 5,163.85

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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.