Home / 15,495.72-23,237.95-8,480.91

Finding the Fourth Proportional to 15,495.72, 23,237.95 and 8,480.91

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Solution

The fourth proportional to 15,495.72, 23,237.95 and 8,480.91 is: 12,718.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,495.72 : 23,237.95 = 8,480.91 : x
  2. Step 2: Convert to fraction form
    15,495.72/23,237.95 = 8,480.91/x
  3. Step 3: Cross multiply
    15,495.72x = 23,237.95 × 8,480.91
  4. Step 4: Simplify right side
    15,495.72x = 197,078,962.53
  5. Step 5: Solve for x
    x = 197,078,962.53/15,495.72
  6. Step 6: Final answer
    x = 12,718.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.