Home / 19,426.67-29,138.81-6,946.08

Finding the Fourth Proportional to 19,426.67, 29,138.81 and 6,946.08

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Solution

The fourth proportional to 19,426.67, 29,138.81 and 6,946.08 is: 10,418.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,426.67 : 29,138.81 = 6,946.08 : x
  2. Step 2: Convert to fraction form
    19,426.67/29,138.81 = 6,946.08/x
  3. Step 3: Cross multiply
    19,426.67x = 29,138.81 × 6,946.08
  4. Step 4: Simplify right side
    19,426.67x = 202,400,501.92
  5. Step 5: Solve for x
    x = 202,400,501.92/19,426.67
  6. Step 6: Final answer
    x = 10,418.69

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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.