Home / 15,520.21-23,280.28-5,655.45

Finding the Fourth Proportional to 15,520.21, 23,280.28 and 5,655.45

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Solution

The fourth proportional to 15,520.21, 23,280.28 and 5,655.45 is: 8,483.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,520.21 : 23,280.28 = 5,655.45 : x
  2. Step 2: Convert to fraction form
    15,520.21/23,280.28 = 5,655.45/x
  3. Step 3: Cross multiply
    15,520.21x = 23,280.28 × 5,655.45
  4. Step 4: Simplify right side
    15,520.21x = 131,660,532.69
  5. Step 5: Solve for x
    x = 131,660,532.69/15,520.21
  6. Step 6: Final answer
    x = 8,483.17

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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.