Home / 15,389.39-23,127.36-9,150.51

Finding the Fourth Proportional to 15,389.39, 23,127.36 and 9,150.51

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Solution

The fourth proportional to 15,389.39, 23,127.36 and 9,150.51 is: 13,751.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,389.39 : 23,127.36 = 9,150.51 : x
  2. Step 2: Convert to fraction form
    15,389.39/23,127.36 = 9,150.51/x
  3. Step 3: Cross multiply
    15,389.39x = 23,127.36 × 9,150.51
  4. Step 4: Simplify right side
    15,389.39x = 211,627,138.95
  5. Step 5: Solve for x
    x = 211,627,138.95/15,389.39
  6. Step 6: Final answer
    x = 13,751.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.