Home / 15,420.70-23,114.49-6,659.74

Finding the Fourth Proportional to 15,420.70, 23,114.49 and 6,659.74

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Solution

The fourth proportional to 15,420.70, 23,114.49 and 6,659.74 is: 9,982.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,420.70 : 23,114.49 = 6,659.74 : x
  2. Step 2: Convert to fraction form
    15,420.70/23,114.49 = 6,659.74/x
  3. Step 3: Cross multiply
    15,420.70x = 23,114.49 × 6,659.74
  4. Step 4: Simplify right side
    15,420.70x = 153,936,493.63
  5. Step 5: Solve for x
    x = 153,936,493.63/15,420.70
  6. Step 6: Final answer
    x = 9,982.46

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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.