Home / 19,920.06-29,898.54-10,066.28

Finding the Fourth Proportional to 19,920.06, 29,898.54 and 10,066.28

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Solution

The fourth proportional to 19,920.06, 29,898.54 and 10,066.28 is: 15,108.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,920.06 : 29,898.54 = 10,066.28 : x
  2. Step 2: Convert to fraction form
    19,920.06/29,898.54 = 10,066.28/x
  3. Step 3: Cross multiply
    19,920.06x = 29,898.54 × 10,066.28
  4. Step 4: Simplify right side
    19,920.06x = 300,966,925.74
  5. Step 5: Solve for x
    x = 300,966,925.74/19,920.06
  6. Step 6: Final answer
    x = 15,108.74

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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.