Home / 19,113.80-26,376.14-10,616.47

Finding the Fourth Proportional to 19,113.80, 26,376.14 and 10,616.47

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Solution

The fourth proportional to 19,113.80, 26,376.14 and 10,616.47 is: 14,650.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,113.80 : 26,376.14 = 10,616.47 : x
  2. Step 2: Convert to fraction form
    19,113.80/26,376.14 = 10,616.47/x
  3. Step 3: Cross multiply
    19,113.80x = 26,376.14 × 10,616.47
  4. Step 4: Simplify right side
    19,113.80x = 280,021,367.15
  5. Step 5: Solve for x
    x = 280,021,367.15/19,113.80
  6. Step 6: Final answer
    x = 14,650.22

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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.