Home / 10,669.32-14,718.51-6,688.98

Finding the Fourth Proportional to 10,669.32, 14,718.51 and 6,688.98

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Solution

The fourth proportional to 10,669.32, 14,718.51 and 6,688.98 is: 9,227.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,669.32 : 14,718.51 = 6,688.98 : x
  2. Step 2: Convert to fraction form
    10,669.32/14,718.51 = 6,688.98/x
  3. Step 3: Cross multiply
    10,669.32x = 14,718.51 × 6,688.98
  4. Step 4: Simplify right side
    10,669.32x = 98,451,819.02
  5. Step 5: Solve for x
    x = 98,451,819.02/10,669.32
  6. Step 6: Final answer
    x = 9,227.56

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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.