Home / 15,264.49-21,062.54-8,550.40

Finding the Fourth Proportional to 15,264.49, 21,062.54 and 8,550.40

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Solution

The fourth proportional to 15,264.49, 21,062.54 and 8,550.40 is: 11,798.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,264.49 : 21,062.54 = 8,550.40 : x
  2. Step 2: Convert to fraction form
    15,264.49/21,062.54 = 8,550.40/x
  3. Step 3: Cross multiply
    15,264.49x = 21,062.54 × 8,550.40
  4. Step 4: Simplify right side
    15,264.49x = 180,093,142.02
  5. Step 5: Solve for x
    x = 180,093,142.02/15,264.49
  6. Step 6: Final answer
    x = 11,798.18

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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.