Home / 10,688.65-14,749.31-6,212.34

Finding the Fourth Proportional to 10,688.65, 14,749.31 and 6,212.34

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Solution

The fourth proportional to 10,688.65, 14,749.31 and 6,212.34 is: 8,572.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,688.65 : 14,749.31 = 6,212.34 : x
  2. Step 2: Convert to fraction form
    10,688.65/14,749.31 = 6,212.34/x
  3. Step 3: Cross multiply
    10,688.65x = 14,749.31 × 6,212.34
  4. Step 4: Simplify right side
    10,688.65x = 91,627,744.02
  5. Step 5: Solve for x
    x = 91,627,744.02/10,688.65
  6. Step 6: Final answer
    x = 8,572.44

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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.