Home / 15,460.49-21,335.48-8,745.98

Finding the Fourth Proportional to 15,460.49, 21,335.48 and 8,745.98

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Solution

The fourth proportional to 15,460.49, 21,335.48 and 8,745.98 is: 12,069.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,460.49 : 21,335.48 = 8,745.98 : x
  2. Step 2: Convert to fraction form
    15,460.49/21,335.48 = 8,745.98/x
  3. Step 3: Cross multiply
    15,460.49x = 21,335.48 × 8,745.98
  4. Step 4: Simplify right side
    15,460.49x = 186,599,681.37
  5. Step 5: Solve for x
    x = 186,599,681.37/15,460.49
  6. Step 6: Final answer
    x = 12,069.45

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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.