Home / 15,383.86-23,077.02-4,290.65

Finding the Fourth Proportional to 15,383.86, 23,077.02 and 4,290.65

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Solution

The fourth proportional to 15,383.86, 23,077.02 and 4,290.65 is: 6,436.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,383.86 : 23,077.02 = 4,290.65 : x
  2. Step 2: Convert to fraction form
    15,383.86/23,077.02 = 4,290.65/x
  3. Step 3: Cross multiply
    15,383.86x = 23,077.02 × 4,290.65
  4. Step 4: Simplify right side
    15,383.86x = 99,015,403.11
  5. Step 5: Solve for x
    x = 99,015,403.11/15,383.86
  6. Step 6: Final answer
    x = 6,436.32

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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.