Home / 15,647.12-23,471.40-5,784.56

Finding the Fourth Proportional to 15,647.12, 23,471.40 and 5,784.56

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Solution

The fourth proportional to 15,647.12, 23,471.40 and 5,784.56 is: 8,677.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,647.12 : 23,471.40 = 5,784.56 : x
  2. Step 2: Convert to fraction form
    15,647.12/23,471.40 = 5,784.56/x
  3. Step 3: Cross multiply
    15,647.12x = 23,471.40 × 5,784.56
  4. Step 4: Simplify right side
    15,647.12x = 135,771,721.58
  5. Step 5: Solve for x
    x = 135,771,721.58/15,647.12
  6. Step 6: Final answer
    x = 8,677.11

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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.