Home / 13,281.45-19,898.14-9,563.55

Finding the Fourth Proportional to 13,281.45, 19,898.14 and 9,563.55

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Solution

The fourth proportional to 13,281.45, 19,898.14 and 9,563.55 is: 14,328.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,281.45 : 19,898.14 = 9,563.55 : x
  2. Step 2: Convert to fraction form
    13,281.45/19,898.14 = 9,563.55/x
  3. Step 3: Cross multiply
    13,281.45x = 19,898.14 × 9,563.55
  4. Step 4: Simplify right side
    13,281.45x = 190,296,856.80
  5. Step 5: Solve for x
    x = 190,296,856.80/13,281.45
  6. Step 6: Final answer
    x = 14,328.02

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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.