Home / 19,346.11-28,969.86-12,752.30

Finding the Fourth Proportional to 19,346.11, 28,969.86 and 12,752.30

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Solution

The fourth proportional to 19,346.11, 28,969.86 and 12,752.30 is: 19,095.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,346.11 : 28,969.86 = 12,752.30 : x
  2. Step 2: Convert to fraction form
    19,346.11/28,969.86 = 12,752.30/x
  3. Step 3: Cross multiply
    19,346.11x = 28,969.86 × 12,752.30
  4. Step 4: Simplify right side
    19,346.11x = 369,432,345.68
  5. Step 5: Solve for x
    x = 369,432,345.68/19,346.11
  6. Step 6: Final answer
    x = 19,095.95

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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.