Home / 14,890.87-22,307.11-8,637.75

Finding the Fourth Proportional to 14,890.87, 22,307.11 and 8,637.75

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Solution

The fourth proportional to 14,890.87, 22,307.11 and 8,637.75 is: 12,939.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,890.87 : 22,307.11 = 8,637.75 : x
  2. Step 2: Convert to fraction form
    14,890.87/22,307.11 = 8,637.75/x
  3. Step 3: Cross multiply
    14,890.87x = 22,307.11 × 8,637.75
  4. Step 4: Simplify right side
    14,890.87x = 192,683,239.40
  5. Step 5: Solve for x
    x = 192,683,239.40/14,890.87
  6. Step 6: Final answer
    x = 12,939.69

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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.