Home / 19,554.40-29,346.18-7,867.72

Finding the Fourth Proportional to 19,554.40, 29,346.18 and 7,867.72

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Solution

The fourth proportional to 19,554.40, 29,346.18 and 7,867.72 is: 11,807.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,554.40 : 29,346.18 = 7,867.72 : x
  2. Step 2: Convert to fraction form
    19,554.40/29,346.18 = 7,867.72/x
  3. Step 3: Cross multiply
    19,554.40x = 29,346.18 × 7,867.72
  4. Step 4: Simplify right side
    19,554.40x = 230,887,527.31
  5. Step 5: Solve for x
    x = 230,887,527.31/19,554.40
  6. Step 6: Final answer
    x = 11,807.45

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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.