Home / 15,551.45-23,330.81-5,163.20

Finding the Fourth Proportional to 15,551.45, 23,330.81 and 5,163.20

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Solution

The fourth proportional to 15,551.45, 23,330.81 and 5,163.20 is: 7,746.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,551.45 : 23,330.81 = 5,163.20 : x
  2. Step 2: Convert to fraction form
    15,551.45/23,330.81 = 5,163.20/x
  3. Step 3: Cross multiply
    15,551.45x = 23,330.81 × 5,163.20
  4. Step 4: Simplify right side
    15,551.45x = 120,461,495.72
  5. Step 5: Solve for x
    x = 120,461,495.72/15,551.45
  6. Step 6: Final answer
    x = 7,746.00

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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.