Home / 10,142.58-15,215.10-4,597.32

Finding the Fourth Proportional to 10,142.58, 15,215.10 and 4,597.32

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Solution

The fourth proportional to 10,142.58, 15,215.10 and 4,597.32 is: 6,896.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,142.58 : 15,215.10 = 4,597.32 : x
  2. Step 2: Convert to fraction form
    10,142.58/15,215.10 = 4,597.32/x
  3. Step 3: Cross multiply
    10,142.58x = 15,215.10 × 4,597.32
  4. Step 4: Simplify right side
    10,142.58x = 69,948,683.53
  5. Step 5: Solve for x
    x = 69,948,683.53/10,142.58
  6. Step 6: Final answer
    x = 6,896.54

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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.