Home / 13,069.80-19,572.30-10,477.80

Finding the Fourth Proportional to 13,069.80, 19,572.30 and 10,477.80

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Solution

The fourth proportional to 13,069.80, 19,572.30 and 10,477.80 is: 15,690.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,069.80 : 19,572.30 = 10,477.80 : x
  2. Step 2: Convert to fraction form
    13,069.80/19,572.30 = 10,477.80/x
  3. Step 3: Cross multiply
    13,069.80x = 19,572.30 × 10,477.80
  4. Step 4: Simplify right side
    13,069.80x = 205,074,644.94
  5. Step 5: Solve for x
    x = 205,074,644.94/13,069.80
  6. Step 6: Final answer
    x = 15,690.73

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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.