Home / 12,867.04-19,281.66-5,742.64

Finding the Fourth Proportional to 12,867.04, 19,281.66 and 5,742.64

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Solution

The fourth proportional to 12,867.04, 19,281.66 and 5,742.64 is: 8,605.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,867.04 : 19,281.66 = 5,742.64 : x
  2. Step 2: Convert to fraction form
    12,867.04/19,281.66 = 5,742.64/x
  3. Step 3: Cross multiply
    12,867.04x = 19,281.66 × 5,742.64
  4. Step 4: Simplify right side
    12,867.04x = 110,727,631.98
  5. Step 5: Solve for x
    x = 110,727,631.98/12,867.04
  6. Step 6: Final answer
    x = 8,605.52

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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.