Home / 13,236.95-18,267.28-7,269.01

Finding the Fourth Proportional to 13,236.95, 18,267.28 and 7,269.01

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Solution

The fourth proportional to 13,236.95, 18,267.28 and 7,269.01 is: 10,031.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.95 : 18,267.28 = 7,269.01 : x
  2. Step 2: Convert to fraction form
    13,236.95/18,267.28 = 7,269.01/x
  3. Step 3: Cross multiply
    13,236.95x = 18,267.28 × 7,269.01
  4. Step 4: Simplify right side
    13,236.95x = 132,785,040.99
  5. Step 5: Solve for x
    x = 132,785,040.99/13,236.95
  6. Step 6: Final answer
    x = 10,031.39

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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.