Home / 10,386.45-14,334.93-6,605.67

Finding the Fourth Proportional to 10,386.45, 14,334.93 and 6,605.67

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Solution

The fourth proportional to 10,386.45, 14,334.93 and 6,605.67 is: 9,116.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,386.45 : 14,334.93 = 6,605.67 : x
  2. Step 2: Convert to fraction form
    10,386.45/14,334.93 = 6,605.67/x
  3. Step 3: Cross multiply
    10,386.45x = 14,334.93 × 6,605.67
  4. Step 4: Simplify right side
    10,386.45x = 94,691,817.05
  5. Step 5: Solve for x
    x = 94,691,817.05/10,386.45
  6. Step 6: Final answer
    x = 9,116.86

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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.