Home / 15,548.34-21,443.76-11,290.98

Finding the Fourth Proportional to 15,548.34, 21,443.76 and 11,290.98

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Solution

The fourth proportional to 15,548.34, 21,443.76 and 11,290.98 is: 15,572.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,548.34 : 21,443.76 = 11,290.98 : x
  2. Step 2: Convert to fraction form
    15,548.34/21,443.76 = 11,290.98/x
  3. Step 3: Cross multiply
    15,548.34x = 21,443.76 × 11,290.98
  4. Step 4: Simplify right side
    15,548.34x = 242,121,065.28
  5. Step 5: Solve for x
    x = 242,121,065.28/15,548.34
  6. Step 6: Final answer
    x = 15,572.15

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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.