Home / 12,536.32-17,299.20-6,870.16

Finding the Fourth Proportional to 12,536.32, 17,299.20 and 6,870.16

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Solution

The fourth proportional to 12,536.32, 17,299.20 and 6,870.16 is: 9,480.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,536.32 : 17,299.20 = 6,870.16 : x
  2. Step 2: Convert to fraction form
    12,536.32/17,299.20 = 6,870.16/x
  3. Step 3: Cross multiply
    12,536.32x = 17,299.20 × 6,870.16
  4. Step 4: Simplify right side
    12,536.32x = 118,848,271.87
  5. Step 5: Solve for x
    x = 118,848,271.87/12,536.32
  6. Step 6: Final answer
    x = 9,480.32

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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.