Home / 23,518.40-32,454.40-12,907.92

Finding the Fourth Proportional to 23,518.40, 32,454.40 and 12,907.92

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Solution

The fourth proportional to 23,518.40, 32,454.40 and 12,907.92 is: 17,812.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,518.40 : 32,454.40 = 12,907.92 : x
  2. Step 2: Convert to fraction form
    23,518.40/32,454.40 = 12,907.92/x
  3. Step 3: Cross multiply
    23,518.40x = 32,454.40 × 12,907.92
  4. Step 4: Simplify right side
    23,518.40x = 418,918,798.85
  5. Step 5: Solve for x
    x = 418,918,798.85/23,518.40
  6. Step 6: Final answer
    x = 17,812.39

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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.