Home / 19,012.16-28,508.04-10,581.32

Finding the Fourth Proportional to 19,012.16, 28,508.04 and 10,581.32

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Solution

The fourth proportional to 19,012.16, 28,508.04 and 10,581.32 is: 15,866.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,012.16 : 28,508.04 = 10,581.32 : x
  2. Step 2: Convert to fraction form
    19,012.16/28,508.04 = 10,581.32/x
  3. Step 3: Cross multiply
    19,012.16x = 28,508.04 × 10,581.32
  4. Step 4: Simplify right side
    19,012.16x = 301,652,693.81
  5. Step 5: Solve for x
    x = 301,652,693.81/19,012.16
  6. Step 6: Final answer
    x = 15,866.30

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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.