Home / 13,265.52-19,859.88-9,992.40

Finding the Fourth Proportional to 13,265.52, 19,859.88 and 9,992.40

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Solution

The fourth proportional to 13,265.52, 19,859.88 and 9,992.40 is: 14,959.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,265.52 : 19,859.88 = 9,992.40 : x
  2. Step 2: Convert to fraction form
    13,265.52/19,859.88 = 9,992.40/x
  3. Step 3: Cross multiply
    13,265.52x = 19,859.88 × 9,992.40
  4. Step 4: Simplify right side
    13,265.52x = 198,447,864.91
  5. Step 5: Solve for x
    x = 198,447,864.91/13,265.52
  6. Step 6: Final answer
    x = 14,959.67

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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.