Home / 13,558.50-18,715.77-10,211.04

Finding the Fourth Proportional to 13,558.50, 18,715.77 and 10,211.04

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Solution

The fourth proportional to 13,558.50, 18,715.77 and 10,211.04 is: 14,095.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558.50 : 18,715.77 = 10,211.04 : x
  2. Step 2: Convert to fraction form
    13,558.50/18,715.77 = 10,211.04/x
  3. Step 3: Cross multiply
    13,558.50x = 18,715.77 × 10,211.04
  4. Step 4: Simplify right side
    13,558.50x = 191,107,476.10
  5. Step 5: Solve for x
    x = 191,107,476.10/13,558.50
  6. Step 6: Final answer
    x = 14,095.03

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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.