Home / 19,910.19-29,834.27-7,426.84

Finding the Fourth Proportional to 19,910.19, 29,834.27 and 7,426.84

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Solution

The fourth proportional to 19,910.19, 29,834.27 and 7,426.84 is: 11,128.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,910.19 : 29,834.27 = 7,426.84 : x
  2. Step 2: Convert to fraction form
    19,910.19/29,834.27 = 7,426.84/x
  3. Step 3: Cross multiply
    19,910.19x = 29,834.27 × 7,426.84
  4. Step 4: Simplify right side
    19,910.19x = 221,574,349.81
  5. Step 5: Solve for x
    x = 221,574,349.81/19,910.19
  6. Step 6: Final answer
    x = 11,128.69

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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.