Home / 15,373.37-21,209.54-10,071.11

Finding the Fourth Proportional to 15,373.37, 21,209.54 and 10,071.11

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Solution

The fourth proportional to 15,373.37, 21,209.54 and 10,071.11 is: 13,894.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,373.37 : 21,209.54 = 10,071.11 : x
  2. Step 2: Convert to fraction form
    15,373.37/21,209.54 = 10,071.11/x
  3. Step 3: Cross multiply
    15,373.37x = 21,209.54 × 10,071.11
  4. Step 4: Simplify right side
    15,373.37x = 213,603,453.99
  5. Step 5: Solve for x
    x = 213,603,453.99/15,373.37
  6. Step 6: Final answer
    x = 13,894.39

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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.