Home / 19,013.80-26,238.48-10,630.28

Finding the Fourth Proportional to 19,013.80, 26,238.48 and 10,630.28

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Solution

The fourth proportional to 19,013.80, 26,238.48 and 10,630.28 is: 14,669.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,013.80 : 26,238.48 = 10,630.28 : x
  2. Step 2: Convert to fraction form
    19,013.80/26,238.48 = 10,630.28/x
  3. Step 3: Cross multiply
    19,013.80x = 26,238.48 × 10,630.28
  4. Step 4: Simplify right side
    19,013.80x = 278,922,389.17
  5. Step 5: Solve for x
    x = 278,922,389.17/19,013.80
  6. Step 6: Final answer
    x = 14,669.47

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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.