Home / 19,914.60-29,807.10-15,508.20

Finding the Fourth Proportional to 19,914.60, 29,807.10 and 15,508.20

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Solution

The fourth proportional to 19,914.60, 29,807.10 and 15,508.20 is: 23,211.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,914.60 : 29,807.10 = 15,508.20 : x
  2. Step 2: Convert to fraction form
    19,914.60/29,807.10 = 15,508.20/x
  3. Step 3: Cross multiply
    19,914.60x = 29,807.10 × 15,508.20
  4. Step 4: Simplify right side
    19,914.60x = 462,254,468.22
  5. Step 5: Solve for x
    x = 462,254,468.22/19,914.60
  6. Step 6: Final answer
    x = 23,211.84

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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.