Home / 12,210.32-16,848.60-7,173.92

Finding the Fourth Proportional to 12,210.32, 16,848.60 and 7,173.92

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Solution

The fourth proportional to 12,210.32, 16,848.60 and 7,173.92 is: 9,899.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,210.32 : 16,848.60 = 7,173.92 : x
  2. Step 2: Convert to fraction form
    12,210.32/16,848.60 = 7,173.92/x
  3. Step 3: Cross multiply
    12,210.32x = 16,848.60 × 7,173.92
  4. Step 4: Simplify right side
    12,210.32x = 120,870,508.51
  5. Step 5: Solve for x
    x = 120,870,508.51/12,210.32
  6. Step 6: Final answer
    x = 9,899.05

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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.