Home / 19,688.32-29,544.77-8,001.53

Finding the Fourth Proportional to 19,688.32, 29,544.77 and 8,001.53

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Solution

The fourth proportional to 19,688.32, 29,544.77 and 8,001.53 is: 12,007.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,688.32 : 29,544.77 = 8,001.53 : x
  2. Step 2: Convert to fraction form
    19,688.32/29,544.77 = 8,001.53/x
  3. Step 3: Cross multiply
    19,688.32x = 29,544.77 × 8,001.53
  4. Step 4: Simplify right side
    19,688.32x = 236,403,397.35
  5. Step 5: Solve for x
    x = 236,403,397.35/19,688.32
  6. Step 6: Final answer
    x = 12,007.29

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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.