Home / 12,867.12-19,303.52-7,323.08

Finding the Fourth Proportional to 12,867.12, 19,303.52 and 7,323.08

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Solution

The fourth proportional to 12,867.12, 19,303.52 and 7,323.08 is: 10,986.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,867.12 : 19,303.52 = 7,323.08 : x
  2. Step 2: Convert to fraction form
    12,867.12/19,303.52 = 7,323.08/x
  3. Step 3: Cross multiply
    12,867.12x = 19,303.52 × 7,323.08
  4. Step 4: Simplify right side
    12,867.12x = 141,361,088.11
  5. Step 5: Solve for x
    x = 141,361,088.11/12,867.12
  6. Step 6: Final answer
    x = 10,986.23

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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.