Home / 19,143.29-26,417.77-10,645.23

Finding the Fourth Proportional to 19,143.29, 26,417.77 and 10,645.23

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Solution

The fourth proportional to 19,143.29, 26,417.77 and 10,645.23 is: 14,690.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,143.29 : 26,417.77 = 10,645.23 : x
  2. Step 2: Convert to fraction form
    19,143.29/26,417.77 = 10,645.23/x
  3. Step 3: Cross multiply
    19,143.29x = 26,417.77 × 10,645.23
  4. Step 4: Simplify right side
    19,143.29x = 281,223,310.19
  5. Step 5: Solve for x
    x = 281,223,310.19/19,143.29
  6. Step 6: Final answer
    x = 14,690.44

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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.