Home / 10,845.68-14,966.90-6,368.66

Finding the Fourth Proportional to 10,845.68, 14,966.90 and 6,368.66

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Solution

The fourth proportional to 10,845.68, 14,966.90 and 6,368.66 is: 8,788.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,845.68 : 14,966.90 = 6,368.66 : x
  2. Step 2: Convert to fraction form
    10,845.68/14,966.90 = 6,368.66/x
  3. Step 3: Cross multiply
    10,845.68x = 14,966.90 × 6,368.66
  4. Step 4: Simplify right side
    10,845.68x = 95,319,097.35
  5. Step 5: Solve for x
    x = 95,319,097.35/10,845.68
  6. Step 6: Final answer
    x = 8,788.67

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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.