Home / 15,617.91-23,411.84-5,751.81

Finding the Fourth Proportional to 15,617.91, 23,411.84 and 5,751.81

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Solution

The fourth proportional to 15,617.91, 23,411.84 and 5,751.81 is: 8,622.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,617.91 : 23,411.84 = 5,751.81 : x
  2. Step 2: Convert to fraction form
    15,617.91/23,411.84 = 5,751.81/x
  3. Step 3: Cross multiply
    15,617.91x = 23,411.84 × 5,751.81
  4. Step 4: Simplify right side
    15,617.91x = 134,660,426.67
  5. Step 5: Solve for x
    x = 134,660,426.67/15,617.91
  6. Step 6: Final answer
    x = 8,622.18

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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.