Home / 14,089.08-21,154.55-7,861.26

Finding the Fourth Proportional to 14,089.08, 21,154.55 and 7,861.26

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Solution

The fourth proportional to 14,089.08, 21,154.55 and 7,861.26 is: 11,803.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,089.08 : 21,154.55 = 7,861.26 : x
  2. Step 2: Convert to fraction form
    14,089.08/21,154.55 = 7,861.26/x
  3. Step 3: Cross multiply
    14,089.08x = 21,154.55 × 7,861.26
  4. Step 4: Simplify right side
    14,089.08x = 166,301,378.43
  5. Step 5: Solve for x
    x = 166,301,378.43/14,089.08
  6. Step 6: Final answer
    x = 11,803.57

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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.