Home / 15,343.60-23,015.40-13,010.80

Finding the Fourth Proportional to 15,343.60, 23,015.40 and 13,010.80

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Solution

The fourth proportional to 15,343.60, 23,015.40 and 13,010.80 is: 19,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,343.60 : 23,015.40 = 13,010.80 : x
  2. Step 2: Convert to fraction form
    15,343.60/23,015.40 = 13,010.80/x
  3. Step 3: Cross multiply
    15,343.60x = 23,015.40 × 13,010.80
  4. Step 4: Simplify right side
    15,343.60x = 299,448,766.32
  5. Step 5: Solve for x
    x = 299,448,766.32/15,343.60
  6. Step 6: Final answer
    x = 19,516.20

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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.