Home / 14,500.40-21,750.60-5,265.20

Finding the Fourth Proportional to 14,500.40, 21,750.60 and 5,265.20

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Solution

The fourth proportional to 14,500.40, 21,750.60 and 5,265.20 is: 7,897.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,500.40 : 21,750.60 = 5,265.20 : x
  2. Step 2: Convert to fraction form
    14,500.40/21,750.60 = 5,265.20/x
  3. Step 3: Cross multiply
    14,500.40x = 21,750.60 × 5,265.20
  4. Step 4: Simplify right side
    14,500.40x = 114,521,259.12
  5. Step 5: Solve for x
    x = 114,521,259.12/14,500.40
  6. Step 6: Final answer
    x = 7,897.80

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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.