Home / 14,153.70-19,533.20-8,488.67

Finding the Fourth Proportional to 14,153.70, 19,533.20 and 8,488.67

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Solution

The fourth proportional to 14,153.70, 19,533.20 and 8,488.67 is: 11,715.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,153.70 : 19,533.20 = 8,488.67 : x
  2. Step 2: Convert to fraction form
    14,153.70/19,533.20 = 8,488.67/x
  3. Step 3: Cross multiply
    14,153.70x = 19,533.20 × 8,488.67
  4. Step 4: Simplify right side
    14,153.70x = 165,810,748.73
  5. Step 5: Solve for x
    x = 165,810,748.73/14,153.70
  6. Step 6: Final answer
    x = 11,715.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.