Home / 15,276.49-21,082.28-9,537.35

Finding the Fourth Proportional to 15,276.49, 21,082.28 and 9,537.35

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Solution

The fourth proportional to 15,276.49, 21,082.28 and 9,537.35 is: 13,161.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,276.49 : 21,082.28 = 9,537.35 : x
  2. Step 2: Convert to fraction form
    15,276.49/21,082.28 = 9,537.35/x
  3. Step 3: Cross multiply
    15,276.49x = 21,082.28 × 9,537.35
  4. Step 4: Simplify right side
    15,276.49x = 201,069,083.16
  5. Step 5: Solve for x
    x = 201,069,083.16/15,276.49
  6. Step 6: Final answer
    x = 13,161.99

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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.