Home / 15,998.24-22,070.40-9,279.96

Finding the Fourth Proportional to 15,998.24, 22,070.40 and 9,279.96

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Solution

The fourth proportional to 15,998.24, 22,070.40 and 9,279.96 is: 12,802.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,998.24 : 22,070.40 = 9,279.96 : x
  2. Step 2: Convert to fraction form
    15,998.24/22,070.40 = 9,279.96/x
  3. Step 3: Cross multiply
    15,998.24x = 22,070.40 × 9,279.96
  4. Step 4: Simplify right side
    15,998.24x = 204,812,429.18
  5. Step 5: Solve for x
    x = 204,812,429.18/15,998.24
  6. Step 6: Final answer
    x = 12,802.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.