Home / 19,920.08-29,898.54-10,066.26

Finding the Fourth Proportional to 19,920.08, 29,898.54 and 10,066.26

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Solution

The fourth proportional to 19,920.08, 29,898.54 and 10,066.26 is: 15,108.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,920.08 : 29,898.54 = 10,066.26 : x
  2. Step 2: Convert to fraction form
    19,920.08/29,898.54 = 10,066.26/x
  3. Step 3: Cross multiply
    19,920.08x = 29,898.54 × 10,066.26
  4. Step 4: Simplify right side
    19,920.08x = 300,966,477.26
  5. Step 5: Solve for x
    x = 300,966,477.26/19,920.08
  6. Step 6: Final answer
    x = 15,108.70

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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.