Home / 12,011.36-16,574.10-6,705.32

Finding the Fourth Proportional to 12,011.36, 16,574.10 and 6,705.32

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Solution

The fourth proportional to 12,011.36, 16,574.10 and 6,705.32 is: 9,252.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,011.36 : 16,574.10 = 6,705.32 : x
  2. Step 2: Convert to fraction form
    12,011.36/16,574.10 = 6,705.32/x
  3. Step 3: Cross multiply
    12,011.36x = 16,574.10 × 6,705.32
  4. Step 4: Simplify right side
    12,011.36x = 111,134,644.21
  5. Step 5: Solve for x
    x = 111,134,644.21/12,011.36
  6. Step 6: Final answer
    x = 9,252.46

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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.