Home / 10,384.25-14,330.28-6,407.67

Finding the Fourth Proportional to 10,384.25, 14,330.28 and 6,407.67

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Solution

The fourth proportional to 10,384.25, 14,330.28 and 6,407.67 is: 8,842.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,384.25 : 14,330.28 = 6,407.67 : x
  2. Step 2: Convert to fraction form
    10,384.25/14,330.28 = 6,407.67/x
  3. Step 3: Cross multiply
    10,384.25x = 14,330.28 × 6,407.67
  4. Step 4: Simplify right side
    10,384.25x = 91,823,705.25
  5. Step 5: Solve for x
    x = 91,823,705.25/10,384.25
  6. Step 6: Final answer
    x = 8,842.59

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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.