Home / 12,764.90-17,624.16-11,416.32

Finding the Fourth Proportional to 12,764.90, 17,624.16 and 11,416.32

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Solution

The fourth proportional to 12,764.90, 17,624.16 and 11,416.32 is: 15,762.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,764.90 : 17,624.16 = 11,416.32 : x
  2. Step 2: Convert to fraction form
    12,764.90/17,624.16 = 11,416.32/x
  3. Step 3: Cross multiply
    12,764.90x = 17,624.16 × 11,416.32
  4. Step 4: Simplify right side
    12,764.90x = 201,203,050.29
  5. Step 5: Solve for x
    x = 201,203,050.29/12,764.90
  6. Step 6: Final answer
    x = 15,762.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.