Home / 19,637.28-29,456.28-6,490.80

Finding the Fourth Proportional to 19,637.28, 29,456.28 and 6,490.80

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Solution

The fourth proportional to 19,637.28, 29,456.28 and 6,490.80 is: 9,736.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,637.28 : 29,456.28 = 6,490.80 : x
  2. Step 2: Convert to fraction form
    19,637.28/29,456.28 = 6,490.80/x
  3. Step 3: Cross multiply
    19,637.28x = 29,456.28 × 6,490.80
  4. Step 4: Simplify right side
    19,637.28x = 191,194,822.22
  5. Step 5: Solve for x
    x = 191,194,822.22/19,637.28
  6. Step 6: Final answer
    x = 9,736.32

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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.