Home / 14,098.79-21,125.12-8,535.27

Finding the Fourth Proportional to 14,098.79, 21,125.12 and 8,535.27

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Solution

The fourth proportional to 14,098.79, 21,125.12 and 8,535.27 is: 12,788.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,098.79 : 21,125.12 = 8,535.27 : x
  2. Step 2: Convert to fraction form
    14,098.79/21,125.12 = 8,535.27/x
  3. Step 3: Cross multiply
    14,098.79x = 21,125.12 × 8,535.27
  4. Step 4: Simplify right side
    14,098.79x = 180,308,599.92
  5. Step 5: Solve for x
    x = 180,308,599.92/14,098.79
  6. Step 6: Final answer
    x = 12,788.94

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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.