Home / 17,210.68-23,747.86-10,138.52

Finding the Fourth Proportional to 17,210.68, 23,747.86 and 10,138.52

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Solution

The fourth proportional to 17,210.68, 23,747.86 and 10,138.52 is: 13,989.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,210.68 : 23,747.86 = 10,138.52 : x
  2. Step 2: Convert to fraction form
    17,210.68/23,747.86 = 10,138.52/x
  3. Step 3: Cross multiply
    17,210.68x = 23,747.86 × 10,138.52
  4. Step 4: Simplify right side
    17,210.68x = 240,768,153.57
  5. Step 5: Solve for x
    x = 240,768,153.57/17,210.68
  6. Step 6: Final answer
    x = 13,989.46

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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.