Home / 10,281.24-15,410.16-6,388.32

Finding the Fourth Proportional to 10,281.24, 15,410.16 and 6,388.32

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Solution

The fourth proportional to 10,281.24, 15,410.16 and 6,388.32 is: 9,575.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.24 : 15,410.16 = 6,388.32 : x
  2. Step 2: Convert to fraction form
    10,281.24/15,410.16 = 6,388.32/x
  3. Step 3: Cross multiply
    10,281.24x = 15,410.16 × 6,388.32
  4. Step 4: Simplify right side
    10,281.24x = 98,445,033.33
  5. Step 5: Solve for x
    x = 98,445,033.33/10,281.24
  6. Step 6: Final answer
    x = 9,575.21

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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.