Home / 19,316.28-28,980.20-11,102.52

Finding the Fourth Proportional to 19,316.28, 28,980.20 and 11,102.52

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Solution

The fourth proportional to 19,316.28, 28,980.20 and 11,102.52 is: 16,657.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,316.28 : 28,980.20 = 11,102.52 : x
  2. Step 2: Convert to fraction form
    19,316.28/28,980.20 = 11,102.52/x
  3. Step 3: Cross multiply
    19,316.28x = 28,980.20 × 11,102.52
  4. Step 4: Simplify right side
    19,316.28x = 321,753,250.10
  5. Step 5: Solve for x
    x = 321,753,250.10/19,316.28
  6. Step 6: Final answer
    x = 16,657.10

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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.