Home / 23,340.99-32,210.64-12,730.65

Finding the Fourth Proportional to 23,340.99, 32,210.64 and 12,730.65

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Solution

The fourth proportional to 23,340.99, 32,210.64 and 12,730.65 is: 17,568.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,340.99 : 32,210.64 = 12,730.65 : x
  2. Step 2: Convert to fraction form
    23,340.99/32,210.64 = 12,730.65/x
  3. Step 3: Cross multiply
    23,340.99x = 32,210.64 × 12,730.65
  4. Step 4: Simplify right side
    23,340.99x = 410,062,384.12
  5. Step 5: Solve for x
    x = 410,062,384.12/23,340.99
  6. Step 6: Final answer
    x = 17,568.34

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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.