Home / 19,904.46-29,854.39-7,424.92

Finding the Fourth Proportional to 19,904.46, 29,854.39 and 7,424.92

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Solution

The fourth proportional to 19,904.46, 29,854.39 and 7,424.92 is: 11,136.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,904.46 : 29,854.39 = 7,424.92 : x
  2. Step 2: Convert to fraction form
    19,904.46/29,854.39 = 7,424.92/x
  3. Step 3: Cross multiply
    19,904.46x = 29,854.39 × 7,424.92
  4. Step 4: Simplify right side
    19,904.46x = 221,666,457.40
  5. Step 5: Solve for x
    x = 221,666,457.40/19,904.46
  6. Step 6: Final answer
    x = 11,136.52

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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.