Home / 23,903.45-32,987.56-13,148.78

Finding the Fourth Proportional to 23,903.45, 32,987.56 and 13,148.78

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Solution

The fourth proportional to 23,903.45, 32,987.56 and 13,148.78 is: 18,145.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,903.45 : 32,987.56 = 13,148.78 : x
  2. Step 2: Convert to fraction form
    23,903.45/32,987.56 = 13,148.78/x
  3. Step 3: Cross multiply
    23,903.45x = 32,987.56 × 13,148.78
  4. Step 4: Simplify right side
    23,903.45x = 433,746,169.18
  5. Step 5: Solve for x
    x = 433,746,169.18/23,903.45
  6. Step 6: Final answer
    x = 18,145.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.