Home / 10,688.28-16,035.66-7,574.31

Finding the Fourth Proportional to 10,688.28, 16,035.66 and 7,574.31

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Solution

The fourth proportional to 10,688.28, 16,035.66 and 7,574.31 is: 11,363.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,688.28 : 16,035.66 = 7,574.31 : x
  2. Step 2: Convert to fraction form
    10,688.28/16,035.66 = 7,574.31/x
  3. Step 3: Cross multiply
    10,688.28x = 16,035.66 × 7,574.31
  4. Step 4: Simplify right side
    10,688.28x = 121,459,059.89
  5. Step 5: Solve for x
    x = 121,459,059.89/10,688.28
  6. Step 6: Final answer
    x = 11,363.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.