Home / 15,460.16-21,334.72-8,745.52

Finding the Fourth Proportional to 15,460.16, 21,334.72 and 8,745.52

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Solution

The fourth proportional to 15,460.16, 21,334.72 and 8,745.52 is: 12,068.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,460.16 : 21,334.72 = 8,745.52 : x
  2. Step 2: Convert to fraction form
    15,460.16/21,334.72 = 8,745.52/x
  3. Step 3: Cross multiply
    15,460.16x = 21,334.72 × 8,745.52
  4. Step 4: Simplify right side
    15,460.16x = 186,583,220.45
  5. Step 5: Solve for x
    x = 186,583,220.45/15,460.16
  6. Step 6: Final answer
    x = 12,068.65

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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.