Home / 15,293.49-21,082.68-10,809.33

Finding the Fourth Proportional to 15,293.49, 21,082.68 and 10,809.33

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Solution

The fourth proportional to 15,293.49, 21,082.68 and 10,809.33 is: 14,901.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,293.49 : 21,082.68 = 10,809.33 : x
  2. Step 2: Convert to fraction form
    15,293.49/21,082.68 = 10,809.33/x
  3. Step 3: Cross multiply
    15,293.49x = 21,082.68 × 10,809.33
  4. Step 4: Simplify right side
    15,293.49x = 227,889,579.91
  5. Step 5: Solve for x
    x = 227,889,579.91/15,293.49
  6. Step 6: Final answer
    x = 14,901.08

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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.