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Finding the Fourth Proportional to 19,465.50, 26,862.39 and 10,633.50

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Solution

The fourth proportional to 19,465.50, 26,862.39 and 10,633.50 is: 14,674.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,465.50 : 26,862.39 = 10,633.50 : x
  2. Step 2: Convert to fraction form
    19,465.50/26,862.39 = 10,633.50/x
  3. Step 3: Cross multiply
    19,465.50x = 26,862.39 × 10,633.50
  4. Step 4: Simplify right side
    19,465.50x = 285,641,224.07
  5. Step 5: Solve for x
    x = 285,641,224.07/19,465.50
  6. Step 6: Final answer
    x = 14,674.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.