Home / 15,254.70-22,885.80-5,259.60

Finding the Fourth Proportional to 15,254.70, 22,885.80 and 5,259.60

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Solution

The fourth proportional to 15,254.70, 22,885.80 and 5,259.60 is: 7,890.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,254.70 : 22,885.80 = 5,259.60 : x
  2. Step 2: Convert to fraction form
    15,254.70/22,885.80 = 5,259.60/x
  3. Step 3: Cross multiply
    15,254.70x = 22,885.80 × 5,259.60
  4. Step 4: Simplify right side
    15,254.70x = 120,370,153.68
  5. Step 5: Solve for x
    x = 120,370,153.68/15,254.70
  6. Step 6: Final answer
    x = 7,890.69

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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.