Home / 15,515.10-23,280.75-14,678.64

Finding the Fourth Proportional to 15,515.10, 23,280.75 and 14,678.64

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Solution

The fourth proportional to 15,515.10, 23,280.75 and 14,678.64 is: 22,025.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,515.10 : 23,280.75 = 14,678.64 : x
  2. Step 2: Convert to fraction form
    15,515.10/23,280.75 = 14,678.64/x
  3. Step 3: Cross multiply
    15,515.10x = 23,280.75 × 14,678.64
  4. Step 4: Simplify right side
    15,515.10x = 341,729,748.18
  5. Step 5: Solve for x
    x = 341,729,748.18/15,515.10
  6. Step 6: Final answer
    x = 22,025.62

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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.