Home / 15,615.51-23,423.05-3,769.18

Finding the Fourth Proportional to 15,615.51, 23,423.05 and 3,769.18

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Solution

The fourth proportional to 15,615.51, 23,423.05 and 3,769.18 is: 5,653.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,615.51 : 23,423.05 = 3,769.18 : x
  2. Step 2: Convert to fraction form
    15,615.51/23,423.05 = 3,769.18/x
  3. Step 3: Cross multiply
    15,615.51x = 23,423.05 × 3,769.18
  4. Step 4: Simplify right side
    15,615.51x = 88,285,691.60
  5. Step 5: Solve for x
    x = 88,285,691.60/15,615.51
  6. Step 6: Final answer
    x = 5,653.72

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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.