Home / 13,312.80-19,944.90-10,834.20

Finding the Fourth Proportional to 13,312.80, 19,944.90 and 10,834.20

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Solution

The fourth proportional to 13,312.80, 19,944.90 and 10,834.20 is: 16,231.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312.80 : 19,944.90 = 10,834.20 : x
  2. Step 2: Convert to fraction form
    13,312.80/19,944.90 = 10,834.20/x
  3. Step 3: Cross multiply
    13,312.80x = 19,944.90 × 10,834.20
  4. Step 4: Simplify right side
    13,312.80x = 216,087,035.58
  5. Step 5: Solve for x
    x = 216,087,035.58/13,312.80
  6. Step 6: Final answer
    x = 16,231.52

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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.