Home / 10,725.66-14,798.84-8,210.61

Finding the Fourth Proportional to 10,725.66, 14,798.84 and 8,210.61

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Solution

The fourth proportional to 10,725.66, 14,798.84 and 8,210.61 is: 11,328.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,725.66 : 14,798.84 = 8,210.61 : x
  2. Step 2: Convert to fraction form
    10,725.66/14,798.84 = 8,210.61/x
  3. Step 3: Cross multiply
    10,725.66x = 14,798.84 × 8,210.61
  4. Step 4: Simplify right side
    10,725.66x = 121,507,462.64
  5. Step 5: Solve for x
    x = 121,507,462.64/10,725.66
  6. Step 6: Final answer
    x = 11,328.67

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1.5x scale

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.