Home / 15,913.85-23,873.70-5,240.80

Finding the Fourth Proportional to 15,913.85, 23,873.70 and 5,240.80

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Solution

The fourth proportional to 15,913.85, 23,873.70 and 5,240.80 is: 7,862.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,913.85 : 23,873.70 = 5,240.80 : x
  2. Step 2: Convert to fraction form
    15,913.85/23,873.70 = 5,240.80/x
  3. Step 3: Cross multiply
    15,913.85x = 23,873.70 × 5,240.80
  4. Step 4: Simplify right side
    15,913.85x = 125,117,167.59
  5. Step 5: Solve for x
    x = 125,117,167.59/15,913.85
  6. Step 6: Final answer
    x = 7,862.16

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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.