Home / 10,223.16-15,303.15-8,728.71

Finding the Fourth Proportional to 10,223.16, 15,303.15 and 8,728.71

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Solution

The fourth proportional to 10,223.16, 15,303.15 and 8,728.71 is: 13,066.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,223.16 : 15,303.15 = 8,728.71 : x
  2. Step 2: Convert to fraction form
    10,223.16/15,303.15 = 8,728.71/x
  3. Step 3: Cross multiply
    10,223.16x = 15,303.15 × 8,728.71
  4. Step 4: Simplify right side
    10,223.16x = 133,576,811.68
  5. Step 5: Solve for x
    x = 133,576,811.68/10,223.16
  6. Step 6: Final answer
    x = 13,066.10

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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.