Home / 19,373.45-26,735.36-10,989.95

Finding the Fourth Proportional to 19,373.45, 26,735.36 and 10,989.95

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Solution

The fourth proportional to 19,373.45, 26,735.36 and 10,989.95 is: 15,166.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,373.45 : 26,735.36 = 10,989.95 : x
  2. Step 2: Convert to fraction form
    19,373.45/26,735.36 = 10,989.95/x
  3. Step 3: Cross multiply
    19,373.45x = 26,735.36 × 10,989.95
  4. Step 4: Simplify right side
    19,373.45x = 293,820,081.01
  5. Step 5: Solve for x
    x = 293,820,081.01/19,373.45
  6. Step 6: Final answer
    x = 15,166.12

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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.