Home / 19,886.67-29,829.30-5,095.73

Finding the Fourth Proportional to 19,886.67, 29,829.30 and 5,095.73

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Solution

The fourth proportional to 19,886.67, 29,829.30 and 5,095.73 is: 7,643.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,886.67 : 29,829.30 = 5,095.73 : x
  2. Step 2: Convert to fraction form
    19,886.67/29,829.30 = 5,095.73/x
  3. Step 3: Cross multiply
    19,886.67x = 29,829.30 × 5,095.73
  4. Step 4: Simplify right side
    19,886.67x = 152,001,909.74
  5. Step 5: Solve for x
    x = 152,001,909.74/19,886.67
  6. Step 6: Final answer
    x = 7,643.41

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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.