Home / 19,637.91-29,456.55-4,847.13

Finding the Fourth Proportional to 19,637.91, 29,456.55 and 4,847.13

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Solution

The fourth proportional to 19,637.91, 29,456.55 and 4,847.13 is: 7,270.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,637.91 : 29,456.55 = 4,847.13 : x
  2. Step 2: Convert to fraction form
    19,637.91/29,456.55 = 4,847.13/x
  3. Step 3: Cross multiply
    19,637.91x = 29,456.55 × 4,847.13
  4. Step 4: Simplify right side
    19,637.91x = 142,779,727.20
  5. Step 5: Solve for x
    x = 142,779,727.20/19,637.91
  6. Step 6: Final answer
    x = 7,270.62

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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.