Home / 19,389.60-29,087.15-6,238.91

Finding the Fourth Proportional to 19,389.60, 29,087.15 and 6,238.91

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Solution

The fourth proportional to 19,389.60, 29,087.15 and 6,238.91 is: 9,359.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389.60 : 29,087.15 = 6,238.91 : x
  2. Step 2: Convert to fraction form
    19,389.60/29,087.15 = 6,238.91/x
  3. Step 3: Cross multiply
    19,389.60x = 29,087.15 × 6,238.91
  4. Step 4: Simplify right side
    19,389.60x = 181,472,111.01
  5. Step 5: Solve for x
    x = 181,472,111.01/19,389.60
  6. Step 6: Final answer
    x = 9,359.25

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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.