Home / 15,515.28-23,275.47-6,155.34

Finding the Fourth Proportional to 15,515.28, 23,275.47 and 6,155.34

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Solution

The fourth proportional to 15,515.28, 23,275.47 and 6,155.34 is: 9,234.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,515.28 : 23,275.47 = 6,155.34 : x
  2. Step 2: Convert to fraction form
    15,515.28/23,275.47 = 6,155.34/x
  3. Step 3: Cross multiply
    15,515.28x = 23,275.47 × 6,155.34
  4. Step 4: Simplify right side
    15,515.28x = 143,268,431.51
  5. Step 5: Solve for x
    x = 143,268,431.51/15,515.28
  6. Step 6: Final answer
    x = 9,234.02

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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.