Home / 19,245.90-28,862.85-7,562.70

Finding the Fourth Proportional to 19,245.90, 28,862.85 and 7,562.70

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Solution

The fourth proportional to 19,245.90, 28,862.85 and 7,562.70 is: 11,341.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,245.90 : 28,862.85 = 7,562.70 : x
  2. Step 2: Convert to fraction form
    19,245.90/28,862.85 = 7,562.70/x
  3. Step 3: Cross multiply
    19,245.90x = 28,862.85 × 7,562.70
  4. Step 4: Simplify right side
    19,245.90x = 218,281,075.70
  5. Step 5: Solve for x
    x = 218,281,075.70/19,245.90
  6. Step 6: Final answer
    x = 11,341.69

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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.