Home / 15,615.45-23,411.73-5,754.90

Finding the Fourth Proportional to 15,615.45, 23,411.73 and 5,754.90

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Solution

The fourth proportional to 15,615.45, 23,411.73 and 5,754.90 is: 8,628.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,615.45 : 23,411.73 = 5,754.90 : x
  2. Step 2: Convert to fraction form
    15,615.45/23,411.73 = 5,754.90/x
  3. Step 3: Cross multiply
    15,615.45x = 23,411.73 × 5,754.90
  4. Step 4: Simplify right side
    15,615.45x = 134,732,164.98
  5. Step 5: Solve for x
    x = 134,732,164.98/15,615.45
  6. Step 6: Final answer
    x = 8,628.13

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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.