Home / 10,288.02-15,432.03-7,223.70

Finding the Fourth Proportional to 10,288.02, 15,432.03 and 7,223.70

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Solution

The fourth proportional to 10,288.02, 15,432.03 and 7,223.70 is: 10,835.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288.02 : 15,432.03 = 7,223.70 : x
  2. Step 2: Convert to fraction form
    10,288.02/15,432.03 = 7,223.70/x
  3. Step 3: Cross multiply
    10,288.02x = 15,432.03 × 7,223.70
  4. Step 4: Simplify right side
    10,288.02x = 111,476,355.11
  5. Step 5: Solve for x
    x = 111,476,355.11/10,288.02
  6. Step 6: Final answer
    x = 10,835.55

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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.