Home / 19,948.60-29,903.70-15,503.80

Finding the Fourth Proportional to 19,948.60, 29,903.70 and 15,503.80

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Solution

The fourth proportional to 19,948.60, 29,903.70 and 15,503.80 is: 23,240.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,948.60 : 29,903.70 = 15,503.80 : x
  2. Step 2: Convert to fraction form
    19,948.60/29,903.70 = 15,503.80/x
  3. Step 3: Cross multiply
    19,948.60x = 29,903.70 × 15,503.80
  4. Step 4: Simplify right side
    19,948.60x = 463,620,984.06
  5. Step 5: Solve for x
    x = 463,620,984.06/19,948.60
  6. Step 6: Final answer
    x = 23,240.78

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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.