Home / 13,267.52-19,862.88-9,994.40

Finding the Fourth Proportional to 13,267.52, 19,862.88 and 9,994.40

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Solution

The fourth proportional to 13,267.52, 19,862.88 and 9,994.40 is: 14,962.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267.52 : 19,862.88 = 9,994.40 : x
  2. Step 2: Convert to fraction form
    13,267.52/19,862.88 = 9,994.40/x
  3. Step 3: Cross multiply
    13,267.52x = 19,862.88 × 9,994.40
  4. Step 4: Simplify right side
    13,267.52x = 198,517,567.87
  5. Step 5: Solve for x
    x = 198,517,567.87/13,267.52
  6. Step 6: Final answer
    x = 14,962.67

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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.