Home / 15,406.73-23,117.27-4,878.38

Finding the Fourth Proportional to 15,406.73, 23,117.27 and 4,878.38

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Solution

The fourth proportional to 15,406.73, 23,117.27 and 4,878.38 is: 7,319.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406.73 : 23,117.27 = 4,878.38 : x
  2. Step 2: Convert to fraction form
    15,406.73/23,117.27 = 4,878.38/x
  3. Step 3: Cross multiply
    15,406.73x = 23,117.27 × 4,878.38
  4. Step 4: Simplify right side
    15,406.73x = 112,774,772.15
  5. Step 5: Solve for x
    x = 112,774,772.15/15,406.73
  6. Step 6: Final answer
    x = 7,319.84

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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.