Home / 15,264.60-21,064.57-8,549.89

Finding the Fourth Proportional to 15,264.60, 21,064.57 and 8,549.89

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Solution

The fourth proportional to 15,264.60, 21,064.57 and 8,549.89 is: 11,798.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,264.60 : 21,064.57 = 8,549.89 : x
  2. Step 2: Convert to fraction form
    15,264.60/21,064.57 = 8,549.89/x
  3. Step 3: Cross multiply
    15,264.60x = 21,064.57 × 8,549.89
  4. Step 4: Simplify right side
    15,264.60x = 180,099,756.40
  5. Step 5: Solve for x
    x = 180,099,756.40/15,264.60
  6. Step 6: Final answer
    x = 11,798.52

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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.